xls qm simulacion
DESCRIPTION
Simulación de una empresa que vende neumáticos. Ejemplo de simulaciónTRANSCRIPT
Program Name Source Content1.3 Pritchett Clock Repair Shop Excel QM Breakeven Analysis1.4 Pritchett Clock Repair Shop Excel QM Goal Seek2.1 Expected Value and Variance Excel Expected Value and Variance
2.2 Binomial Probabilities Excel Binomial Probabilities2.3 Normal distribution Excel Normal distribution2.4 F Distribution Excel F distribution probabilities2.5 Exponential Distribution Excel Exponential probabilities2.6 Poisson distribution Excel Poisson probabilities3.1 Thompson Lumber Excel Decision Table3.5 Bayes Theorem for Thompson Lumber Example Excel Bayes Theorem4.1 Triple A Construction Company Sales Excel Regression4.2 Jenny Wilson Realty Excel Multiple Regression4.3 Jenny Wilson Realty Excel Dummy Variables - Regression4.4 MPG Data Excel Linear Regression4.5 MPG Data Excel Nonlinear Regression4.6 Solved Problem 4-2 Excel Regression4.8 Triple A Construction Company Sales Excel QM Regression5.1 Wallace Garden Supply Shed Sales Excel QM Weighted Moving Average5.2 Port of Baltimore Excel QM Exponential Smoothing5.3 Midwestern Manufacturing's Demand Excel QM Expo. Smoothing with Trend5.4 Midwestern Manufacturing's Demand Excel Trend Analysis5.5 Midwestern Manufacturing's Demand Excel QM Trend Analysis5.6 Turner Industries Excel QM Multiplicative Decomposition5.7 Turner Industries Excel Multiple Regression6.1 Sumco Pump Company Excel QM EOQ Model6.2 Brown Manufacturing Excel QM Production Run Model6.3 Brass Department Store Excel QM Quantity Discount Model6.4 Hinsdale Company Safety Stock Excel QM Safety Stock7.2 Flair Furniture Excel Linear Programming7.4 Holiday Meal Turkey Ranch Excel Linear Programming7.6 High note sound company Excel Linear Programming7.7 Flair Furniture Excel QM Linear Programming8.1 Win Big Gambling Club Excel Linear Programming8.2 Management Science Associates Excel Linear Programming8.3 Fifth Avenue Industries Excel Linear Programming8.4 Greenberg Motors Excel Linear Programming8.5 Labor Planning Example Excel Linear Programming8.6 ICT Portfolio Selection Excel Linear Programming
8.5xx Top Speed Bicycle Company Excel Linear Programming8.7 Goodman Shipping Excel Linear Programming8.8 Whole Foods Nutrition Problem Excel Linear Programming8.9 Low Knock Oil Company Excel Linear Programming
8.10 Top Speed Bicycle Company Excel Linear Programming9.1 Transportation Example Excel Linear Programming9.2 Fix-It Shop Excel QM Linear Programming9.3 Frosty Machines Transshipment Problem Excel Linear Programming9.4 Transportation Problem - Birmingham Excel QM Transportation9.5 Fix-It Shop Assignment Excel QM Assignment9.1 Executive Furniture Company Excel QM Transportation9.2 Birmingham Plant Excel QM Transportation
10.2 Harrison Electric IP Analysis Excel Integer programming10.4 Bagwell Chemical Company Excel Integer programming
10.5 Quemo Chemical Company Excel Integer programming10.6 Sitka Manufacturing Company Excel Integer programming10.7 Simkin, Simkin and Steinberg Excel Integer programming10.9 Great Western Appliance Excel Nonlinear programming
10.10 Hospicare Corp Excel Nonlinear programming10.11 Thermlock Gaskets Excel Nonlinear programming10.12 Solved Problem 10-1 Excel 0-1 programming10.13 Solved Problem 10-3 Excel Nonlinear programming12.1 PERT - General Foundry Example Excel QM Crashing12.2 Crashing General Foundry Problem Excel Crashing
12.extra Crashing General Foundry Problem Excel QM Crashing13.1 Arnold's Muffler Shop Excel QM Single Server (M/M/1) system13.2 Arnold's Muffler Shop Excel QM Multi-Server (M/M/m) system13.3 Golding Recycling, Inc. Excel QM Constant Service Rate (M/D/1)13.4 Department of Commerce Excel QM Finite population 14.2 Harry's Tire Shop Excel Simulation (inventory)14.3 Generating Normal Random Numbers Excel Random #s and Frequency14.4 Harry's Tire Shop Excel QM Simulation (inventory)14.5 Port of New Orleans Barge Unloadings Excel Simulation (waiting line)14.6 Three Hills Power Company Excel Maintenance Simulation15.3 Three Grocery Example Excel Markov Analysis15.4 Accounts Receivable Example Excel Fundamental Matrix & Absorbing States16.1 Box Filling Example Excel QM Quality = x-bar chart16.2 Super Cola Example Excel QM Quality = x-bar chart16.3 ARCO Excel QM p-Chart Analysis16.4 Red Top Cab Company Excel QM c-Chart Analysis
ModuleM1.1 AHP ExcelM5.1 Matrix Multiplication Excel
Dummy Variables - Regression
Constant Service Rate (M/D/1)
Fundamental Matrix & Absorbing States
Pritchett Clock Repair Shop
Breakeven Analysis
DataRebuilt Springs
Fixed cost 1000Variable cost 5Revenue 10
ResultsBreakeven points
Units 200Dollars $ 2,000.00
GraphUnits Costs Revenue
0 1000 0400 3000 4000
0 50 100 150 200 250 300 350 400 4500
1000
2000
3000
4000
5000
Cost-volume analysis
Costs Revenue
Units
$
Enter the fixed and variable costs and the selling price in the data area.Enter the fixed and variable costs and the selling price in the data area.
Pritchett Clock Repair Shop
Breakeven Analysis
DataRebuilt Springs
Fixed cost 1000Variable cost 5Revenue 10.71Volume (optional) 250
ResultsBreakeven points
Units 175Dollars $ 1,875.00
Volume Analysis@ 250 Costs $ 2,250.00 Revenue $ 2,678.57 Profit $ 428.57
GraphUnits Costs Revenue
0 1000 0350 2750 3750
Enter the fixed and variable costs and the selling price in the data area.Enter the fixed and variable costs and the selling price in the data area.
X P(X) XP(X)5 0.1 0.5 0.4414 0.2 0.8 0.2423 0.3 0.9 0.0032 0.3 0.6 0.2431 0.1 0.1 0.361
E(X) = ΣXP(X) = 2.9 1.2901.136
To see the formulas, hold down the CTRL key and press the ` (Grave accent) key
(X - E(X))2P(X)
= Variance= Standard deviation
To see the formulas, hold down the CTRL key and press the ` (Grave accent) key
The Binomial DistributionX = random variable for number of successes
n= 5 number of trialsp= 0.5 probability of a succesr= 4 specific number of successes
Cumulative probability 0.96875
P(X = r) = 0.15625P(X < r) =
Probability of exactly r successes
X is a normal random variable with mean, μ, and standard deviation, σ.
μ = 100σ = 20
75
0.10565
0.89435
x =
P(X < x) = P(X > x) =
F Distribution with df1 and df2 degrees of freedom
df1 = 5df2 = 6
0.05
F-value = 4.39
df1 = 5df2 = 6
4.2
P(F > f) = 0.0548
To find F given α
α =
To find the probability to the right of a calculated value, f
f =
Exponential distribution - the random variable (X) is time3 per hour
0.5000 hours
0.7769P(X > t) = 0.2231
Average number per time period = μ = t =
P(X < t) =
Poisson distribution - the random variable is the number of occurrences per time period2
x P(X) P(X < x)0 0.1353 0.13531 0.2707 0.40602 0.7293 0.6767
λ =
Thompson Lumber
Decision Tables
Data Results
Profit EMV Minimum Maximum HurwiczProbability 0.5 0.5 coefficient 0.8Large Plant 200000 -180000 10000 -180000 200000 124000Small plant 100000 -20000 40000 -20000 100000 76000Do nothing 0 0 0 0 0
Maximum 40000 0 200000 124000
Expected Value of Perfect InformationColumn best 200000 0 100000 <-Expected value under certainty
40000 <-Best expected value60000 <-Expected value of perfect information
RegretFavorable MUnfavorable Market Expected Maximum
Probability 0.5 0.5Large Plant 0 180000 90000 180000Small plant 100000 20000 60000 100000Do nothing 200000 0 100000 200000
Minimum 60000 100000
Favorable Market
Unfavorable Market
Enter the profits or costs in the main body of the data table. Enter probabilities in the first row if you want to compute the expected value.Enter the profits or costs in the main body of the data table. Enter probabilities in the first row if you want to compute the expected value.
Bayes Theorem for Thompson Lumber Example
Fill in cells B7, B8, and C7
Probability Revisions Given a Positive Survey
P(Sur.Pos.|Prior Prob. Joint Prob.FM 0.7 0.5 0.35 0.78UM 0.2 0.5 0.1 0.22
P(Sur.pos.)= 0.45
Probability Revisions Given a Negative Survey
P(Sur.Pos.|Prior Prob. Joint Prob.FM 0.3 0.5 0.15 0.27UM 0.8 0.5 0.4 0.73
P(Sur.neg.)= 0.55
State of Nature
Posterior Probability
State of Nature
Posterior Probability
Triple A Construction Company SUMMARY OUTPUT
Sales (Y) Payroll (X) Regression Statistics6 3 Multiple R 0.8333
8 4 R Square 0.6944
9 6 Adjusted R 0.6181
5 4 Standard Er 1.3110
4.5 2 Observatio 6
9.5 5ANOVA
df SS MS F
Regression 1 15.6250 15.6250 9.0909
Residual 4 6.8750 1.7187
Total 5 22.5
CoefficientsStandard Error t Stat P-value
Intercept 2 1.7425 1.1477 0.3150
Payroll (X) 1.25 0.4146 3.0151 0.0394
Significance F
0.0394
Lower 95%Upper 95%Lower 95.0%Upper 95.0%
-2.8381 6.8381 -2.8381 6.8381
0.0989 2.4011 0.0989 2.4011
Jenny Wilson Realty
SELL PRICE SF AGE95000 1926 30
119000 2069 40124800 1720 30135000 1396 15142800 1706 32145000 1847 38159000 1950 27165000 2323 30182000 2285 26183000 3752 35200000 2300 18211000 2525 17215000 3800 40219000 1740 12
SUMMARY OUTPUT
Regression StatisticsMultiple R 0.81968R Square 0.67188Adjusted R Square 0.61222Standard Error 24312.6Observations 14
ANOVAdf SS MS F Significance F
Regression 213313936968 6.66E+09 11.26195 0.00217876517Residual 11 6502131603 5.91E+08Total 1319816068571
CoefficientsStandard Error t Stat P-value Lower 95% Upper 95%Intercept 146631 25482.0829 5.7543 0.0001 90545.2073 202716.5798SF 43.8194 10.2810 4.2622 0.0013 21.1911 66.4476AGE -2898.69 796.5649 -3.6390 0.0039 -4651.9139 -1145.4586
Lower 95.0% Upper 95.0%90545.2073 202716.5798
21.1911 66.4476-4651.9139 -1145.4586
Jenny Wilson Realty
SELL PRICE SF AGE X3 (Exc.) X4 (Mint) Condition95000 1926 30 0 0 Good
119000 2069 40 1 0 Excellent124800 1720 30 1 0 Excellent135000 1396 15 0 0 Good142800 1706 32 0 1 Mint145000 1847 38 0 1 Mint159000 1950 27 0 1 Mint165000 2323 30 1 0 Excellent182000 2285 26 0 1 Mint183000 3752 35 0 0 Good200000 2300 18 0 0 Good211000 2525 17 0 0 Good215000 3800 40 1 0 Excellent219000 1740 12 0 1 Mint
SUMMARY OUTPUT
Regression StatisticsMultiple R 0.9476R Square 0.8980Adjusted R Squ 0.8526Standard Error 14987.5545Observations 14
ANOVAdf SS MS F Significance F
Regression 4 1.779E+10 4.449E+09 19.804436 0.000174Residual 9 2.022E+09224626791Total 13 1.982E+10
CoefficientsStandard Error t Stat P-value Lower 95% Upper 95%Lower 95.0%Intercept 121658.45 17426.61 6.981 0.000 82236.71 161080.19 82236.71SF 56.43 6.95 8.122 0.000 40.71 72.14 40.71AGE -3962.82 596.03 -6.649 0.000 -5311.13 -2614.51 -5311.13X3 (Exc.) 33162.65 12179.62 2.723 0.023 5610.43 60714.87 5610.43X4 (Mint) 47369.25 10649.27 4.448 0.002 23278.93 71459.57 23278.93
Upper 95.0%161080.19
72.14-2614.5160714.8771459.57
Automobile Weight vs. MPG SUMMARY OUTPUT
MPG (Y) Weight (X1) Regression Statistics12 4.58 Multiple R 0.86287813 4.66 R Square 0.74455915 4.02 Adjusted R 0.71901518 2.53 Standard Er5.00757119 3.09 Observatio 1219 3.1120 3.18 ANOVA23 2.68 df SS MS F Significance F24 2.65 Regression 1 730.90901 730.90901 29.148024 0.000301933 1.70 Residual 10 250.75766 25.07576636 1.95 Total 11 981.6666742 1.92
CoefficientsStandard Error t Stat P-value Lower 95%Intercept 47.61934 4.8131509 9.8935905 1.753E-06 36.894975Weight (X1)-8.24597 1.5273451 -5.398891 0.0003019 -11.64911
Significance F
Upper 95%Lower 95.0%Upper 95.0%58.343712 36.894975 58.343712-4.842833 -11.64911 -4.842833
Automobile Weight vs. MPG SUMMARY OUTPUT
MPG (Y) Weight (X1) WeightSq.(X2) Regression Statistics12 4.58 20.98 Multiple R 0.920813 4.66 21.72 R Square 0.847815 4.02 16.16 Adjusted R 0.814018 2.53 6.40 Standard Er 4.074519 3.09 9.55 Observatio 1219 3.11 9.6720 3.18 10.11 ANOVA23 2.68 7.18 df SS MS F24 2.65 7.02 Regression 2 832.25568 416.12784 25.06609833 1.70 2.89 Residual 9 149.41099 16.60122136 1.95 3.80 Total 11 981.6666742 1.92 3.69
CoefficientsStandard Error t Stat P-valueIntercept 79.7888 13.5962 5.8685 0.0002Weight (X1) -30.2224 8.9809 -3.3652 0.0083WeightSq.( 3.4124 1.3811 2.4708 0.0355
Significance F0.0002094
Lower 95%Upper 95%Lower 95.0%Upper 95.0%49.0321 110.5454 49.0321 110.5454
-50.5386 -9.9062 -50.5386 -9.90620.2881 6.5367 0.2881 6.5367
Solved Problem 4-2
Advertising ($100) Y Sales X11 56 3
10 76 2
12 8
SUMMARY OUTPUT
Regression StatisticsMultiple R 0.9014R Square 0.8125Adjusted R Square 0.7500Standard Error 1.4142Observations 5
ANOVAdf SS MS F Significance F
Regression 1 26 26 13 0.0366184Residual 3 6 2Total 4 32
CoefficientsStandard Error t Stat P-value Lower 95%Upper 95%Lower 95.0%Intercept 4 1.5242 2.6244 0.0787 -0.8506 8.8506 -0.8506Sales X 1 0.2774 3.6056 0.0366 0.1173 1.8827 0.1173
Upper 95.0%8.85061.8827
Triple A Construction
Forecasting Regression/Trend analysis
Data Forecasts and Error AnalysisPeriod Demand (y) Period(x) Forecast Error Absolute Squared Abs Pct ErrPeriod 1 6 3 5.75 0.25 0.25 0.0625 04.17%Period 2 8 4 7 1 1 1 12.50%Period 3 9 6 9.5 -0.5 0.5 0.25 05.56%Period 4 5 4 7 -2 2 4 40.00%Period 5 4.5 2 4.5 0 0 0 00.00%Period 6 9.5 5 8.25 1.25 1.25 1.5625 13.16%
Total 0 5 6.875 75.38%Intercept 2 Average 0 0.8333333 1.1458333 12.56%Slope 1.25 Bias MAD MSE MAPE
SE 1.3110111Next period 10.75 7
Correlation0.8333333
If this is trend analysis then simply enter the past demands in the demand column. If this is causal regression then enter the y,x pairs with y first and enter a new value of x at the bottom in order to forecast y.
Wallace Garden Supply
Forecasting Weighted moving averages - 3 period moving average
Data Forecasts and Error AnalysisPeriod Demand Weights Forecast Error Absolute Squared Abs Pct ErrJanuary 10 1February 12 2March 13 3April 16 12.1667 3.8333 3.8333 14.6944 23.96%May 19 14.3333 4.6667 4.6667 21.7778 24.56%June 23 17 6 6 36 26.09%July 26 20.5 5.5 5.5 30.25 21.15%August 30 23.8333 6.1667 6.1667 38.0278 20.56%September 28 27.5 0.5 0.5 0.25 01.79%October 18 28.3333 -10.3333 10.3333 106.7778 57.41%November 16 23.3333 -7.3333 7.3333 53.7778 45.83%December 14 18.6667 -4.6667 4.6667 21.7778 33.33%
Total 4.3333 49.0000 323.3333 254.68%Average 0.4815 5.4444 35.9259 28.30%
Bias MAD MSE MAPESE 6.79636
Next period 15.3333333
Enter the data in the shaded area. Enter weights in INCREASING order from top to bottom.
Port of Baltimore
Forecasting Exponential smoothing
Alpha 0.1Data Forecasts and Error AnalysisPeriod Demand Forecast Error Absolute Squared Abs Pct ErrQuarter 1 180 175 5 5 25 02.78%Quarter 2 168 175.5 -7.5 7.5 56.25 04.46%Quarter 3 159 174.75 -15.75 15.75 248.0625 09.91%Quarter 4 175 173.175 1.825 1.825 3.330625 01.04%Quarter 5 190 173.3575 16.6425 16.6425 276.97281 08.76%Quarter 6 205 175.02175 29.97825 29.97825 898.69547 14.62%Quarter 7 180 178.01958 1.980425 1.980425 3.9220832 01.10%Quarter 8 182 178.21762 3.7823825 3.7823825 14.306417 0.02078232
Total 35.958557 82.458557 1526.5399 44.75%Average 4.4948197 10.30732 190.81749 05.59%
Bias MAD MSE MAPESE 15.950653
Next period 178.595856
Enter alpha (between 0 and 1), enter the past demands in the shaded column then enter a starting forecast. If the starting forecast is not in the first period then delete the error analysis for all rows above the starting forecast.
Enter alpha (between 0 and 1), enter the past demands in the shaded column then enter a starting forecast. If the starting forecast is not in the first period then delete the error analysis for all rows above the starting forecast.
Midwestern Manufacturing
Forecasting Trend adjusted exponential smoothing
Alpha 0.3Beta 0.4Data Forecasts and Error Analysis
Period Demand Error Absolute SquaredPeriod 1 74 74 74 0 0 0Period 2 79 74 0 74 5 5 25Period 3 80 75.5 0.6 76.1 4.5 4.5 20.25Period 4 90 77.27 1.068 78.338 12.73 12.73 162.0529Period 5 105 81.8366 2.46744 84.30404 23.1634 23.1634 536.5431Period 6 142 90.512828 4.9509552 95.463783 51.487172 51.48717 2650.9289Period 7 122 109.42465 10.535301 119.95995 12.575352 12.57535 158.13947
Next period 120.57196 10.780107 131.35207Total 109.45592 109.4559 3552.9144
Average 15.636561 15.63656 507.55919Bias MAD MSE
SE 26.65676
Smoothed Forecast, Ft
Smoothed Trend, Tt
Forecast Including Trend, FITt
Enter alpha and beta (between 0 and 1), enter the past demands in the shaded column then enter a starting forecast. If the starting forecast is not in the first period then delete the error analysis for all rows above the starting forecast.
00.00%06.33%05.63%14.14%22.06%36.26%
0.1030767
94.73%13.53%
MAPE
Abs Pct Err
Midwestern Manufacturing
Time (X) Demand (Y)1 742 793 804 905 1056 1427 122
SUMMARY OUTPUT
Regression StatisticsMultiple R 0.8949096R Square 0.8008632Adjusted R 0.7610359Standard Er12.432389Observatio 7
ANOVAdf SS MS F Significance F
Regression 1 3108.0357 3108.0357 20.108369 0.0064933Residual 5 772.82143 154.56429Total 6 3880.8571
CoefficientsStandard Error t Stat P-value Lower 95%Upper 95%Lower 95.0%Upper 95.0%Intercept 56.714286 10.507286 5.3976151 0.002948 29.704447 83.724124 29.704447 83.724124Time (X) 10.535714 2.3495006 4.4842356 0.0064933 4.4961307 16.575298 4.4961307 16.575298
Upper 95.0%
Midwestern Manufacturing
Forecasting Regression/Trend analysis
Data Forecasts and Error AnalysisPeriod Demand (y) Period(x) Forecast Error Absolute SquaredYear 1 74 1 67.25 6.75 6.75 45.5625Year 2 79 2 77.7857 1.2143 1.2143 1.4745Year 3 80 3 88.3214 -8.3214 8.3214 69.2462Year 4 90 4 98.8571 -8.8571 8.8571 78.4490Year 5 105 5 109.3929 -4.3929 4.3929 19.2972Year 6 142 6 119.9286 22.0714 22.0714 487.1480Year 7 122 7 130.4643 -8.4643 8.4643 71.6441
Total -4.2632564E-14 60.0714 772.8214Intercept 56.7142857 Average -6.0903663E-15 8.5816 110.4031Slope 10.5357143 Bias MAD MSE
SE 12.432389Next period 141 8
Correlation0.8949096
If this is trend analysis then simply enter the past demands in the demand column. If this is causal regression then enter the y,x pairs with y first and enter a new value of x at the bottom in order to forecast y.
Abs Pct Err09.12%01.54%10.40%09.84%04.18%15.54%06.94%57.57%08.22%
MAPE
Turner Industries
Forecasting Multiplicative decomposition
4 seasons
DataPeriod Demand (y) Time (x) Average Ratio Seasonal SmoothedPeriod 1 108 1 0.8491 127.1979Period 2 125 2 0.9626 129.8589Period 3 150 3 131 132.000 1.136 1.1315 132.5660Period 4 141 4 133 134.125 1.051 1.0571 133.3841Period 5 116 5 135.25 136.375 0.851 0.8491 136.6200Period 6 134 6 137.5 138.875 0.965 0.9626 139.2087Period 7 159 7 140.25 141.125 1.127 1.1315 140.5199Period 8 152 8 142 143.000 1.063 1.0571 143.7899Period 9 123 9 144 145.125 0.848 0.8491 144.8643Period 10 142 10 146.25 147.875 0.960 0.9626 147.5197Period 11 168 11 149.5 1.1315 148.4739Period 12 165 12 1.0571 156.0878
Average Intercept 124.7753Slope 2.3434
RatiosSeason 1 Season 2 Season 3 Season 4
1.1364 1.05130.8506 0.9649 1.1267 1.06290.8475 0.9603
Average 0.8491 0.9626 1.1315 1.0571
ForecastsPeriod Unadjusted Seasonal Adjusted
13 155.240 0.849 131.81014 157.583 0.963 151.68715 159.927 1.132 180.95916 162.270 1.057 171.535
Enter past demands in the data area. Do not change the time period numbers!
Forecasts and Error AnalysisUnadjusted Adjusted Error |Error| Error^2 Abs Pct Err
127.1187 107.9327 0.0673 0.0673 0.0045 00.06%129.4621 124.6181 0.3819 0.3819 0.1458 00.31%131.8056 149.1396 0.8604 0.8604 0.7403 00.57%134.1490 141.8086 -0.8086 0.8086 0.6538 00.57%136.4924 115.8917 0.1083 0.1083 0.0117 00.09%138.8359 133.6411 0.3589 0.3589 0.1288 00.27%141.1793 159.7461 -0.7461 0.7461 0.5567 00.47%143.5227 151.7175 0.2825 0.2825 0.0798 00.19%145.8662 123.8507 -0.8507 0.8507 0.7236 00.69%148.2096 142.6641 -0.6641 0.6641 0.4410 00.47%150.5530 170.3526 -2.3526 2.3526 5.5346 01.40%152.8965 161.6265 3.3735 3.3735 11.3807 02.04%
Total 0.0107 10.8547 20.4014 07.14%0.0009 0.9046 1.7001 00.59%
Bias MAD MSE MAPESE 1.84397092
Year Quarter Sales X1 Time PeriodX2 Qtr 2 X3 Qtr 3 X4 Qtr 41 1 108 1 0 0 0
2 125 2 1 0 03 150 3 0 1 04 141 4 0 0 1
2 1 116 5 0 0 02 134 6 1 0 03 159 7 0 1 04 152 8 0 0 1
3 1 123 9 0 0 02 142 10 1 0 03 168 11 0 1 04 165 12 0 0 1
SUMMARY OUTPUT
Regression StatisticsMultiple R 0.997177R Square 0.994362Adjusted R 0.991141Standard Er1.832251Observatio 12
ANOVAdf SS MS F Significance F
Regression 4 4144.75 1036.1875 308.6516 6.028E-08Residual 7 23.5 3.3571429Total 11 4168.25
CoefficientsStandard Error t Stat P-value Lower 95%Upper 95%Lower 95.0%Upper 95.0%Intercept 104.1042 1.3321935 78.144928 1.479E-11 100.95403 107.2543 100.95403 107.2543X1 Time Pe 2.3125 0.1619496 14.279132 1.964E-06 1.92955 2.69545 1.92955 2.69545X2 Qtr 2 15.6875 1.5047667 10.425204 1.625E-05 12.129292 19.245708 12.129292 19.245708X3 Qtr 3 38.70833 1.5306881 25.288192 3.86E-08 35.088831 42.327835 35.088831 42.327835X4 Qtr 4 30.0625 1.5729413 19.112283 2.673E-07 26.343085 33.781915 26.343085 33.781915
Sumco Pump Company
Inventory Economic Order Quantity Model
DataDemand rate, D 1000Setup cost, S 10Holding cost, H 0.5 (fixed amount)Unit Price, P 0
ResultsOptimal Order Quantity, Q* 200Maximum Inventory 200Average Inventory 100Number of Setups 5
Holding cost $50.00 Setup cost $50.00
Unit costs $0.00
$100.00
COST TABLE Start at 25 Increment b 15
Q Setup cost Holding cosTotal cost25 400 6.25 406.2540 250 10 26055 181.81818 13.75 195.5681870 142.85714 17.5 160.3571485 117.64706 21.25 138.89706
100 100 25 125115 86.956522 28.75 115.70652130 76.923077 32.5 109.42308145 68.965517 36.25 105.21552160 62.5 40 102.5175 57.142857 43.75 100.89286190 52.631579 47.5 100.13158205 48.780488 51.25 100.03049220 45.454545 55 100.45455235 42.553191 58.75 101.30319250 40 62.5 102.5265 37.735849 66.25 103.98585280 35.714286 70 105.71429295 33.898305 73.75 107.64831310 32.258065 77.5 109.75806325 30.769231 81.25 112.01923340 29.411765 85 114.41176355 28.169014 88.75 116.91901
Total cost, Tc
2540557085100
115
130
145
160
175
190
205
220
235
250
265
280
295
310
325
340
355
370
0
100
200
300
400
500
Inventory: Cost vs Quantity
Setup cost
Holding cost
Total cost
Order Quantity (Q)
Co
st (
$)
Enter the data in the shaded areaEnter the data in the shaded area
370 27.027027 92.5 119.52703
Brown Manufacturing
Inventory Production Order Quantity Model
DataDemand rate, D 10000Setup cost, S 100Holding cost, H 0.5 (fixed amount)Daily production rate, p 80Daily demand rate, d 60Unit price, P 0
ResultsOptimal production quantity, Q* 4000Maximum Inventory 1000Average Inventory 500Number of Setups 2.5
Holding cost 250Setup cost 250
Unit costs 0
500
COST TABLE Start at 1000 Increment b333.33333
Q Setup cost Holding cosTotal cost1000 1000 62.5 1062.5
1333.3333 750 83.333333 833.333331666.6667 600 104.16667 704.16667
2000 500 125 6252333.3333 428.57143 145.83333 574.404762666.6667 375 166.66667 541.66667
3000 333.33333 187.5 520.833333333.3333 300 208.33333 508.333333666.6667 272.72727 229.16667 501.89394
4000 250 250 5004333.3333 230.76923 270.83333 501.602564666.6667 214.28571 291.66667 505.95238
5000 200 312.5 512.55333.3333 187.5 333.33333 520.833335666.6667 176.47059 354.16667 530.63725
6000 166.66667 375 541.666676333.3333 157.89474 395.83333 553.728076666.6667 150 416.66667 566.66667
7000 142.85714 437.5 580.357147333.3333 136.36364 458.33333 594.696977666.6667 130.43478 479.16667 609.60145
8000 125 500 6258333.3333 120 520.83333 640.833338666.6667 115.38462 541.66667 657.05128
Total cost, Tc
1000
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Inventory: Cost vs Quantity
Setup cost
Holding cost
Total cost
Order Quantity (Q)
Co
st
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Enter the data in the shaded area. You may have to do some work to enter the daily production rate.Enter the data in the shaded area. You may have to do some work to enter the daily production rate.
1000
1333.33333333333
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Inventory: Cost vs Quantity
Setup cost
Holding cost
Total cost
Order Quantity (Q)
Co
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Enter the data in the shaded area. You may have to do some work to enter the daily production rate.Enter the data in the shaded area. You may have to do some work to enter the daily production rate.
Brass Department Store
Inventory Quantity Discount Model
DataDemand rate, D 5000Setup cost, S 49Holding cost %, I 20%
Range 1 Range 2 Range 3Minimum quantity 0 1000 2000Unit Price, P 5 4.8 4.75
ResultsRange 1 Range 2 Range 3
Q* (Square root formula) 700 714.4345083118 718.1848464596Order Quantity 700 1000 2000
Holding cost $350.00 $480.00 $950.00 Setup cost $350.00 $245.00 $122.50
Unit costs $25,000.00 $24,000.00 $23,750.00
$25,700.00 $24,725.00 $24,822.50 minimumOptimal Order Quantity 1000Total cost, Tc
=
$24,725.00
6.4
document.xlsx
Inventory Safety stock - Normal distribution
Model: Demand during leadtime and its standard deviation given Model: Daily demand and its standard deviation are given
Data DataAverage demand during lead time, µ 350 Average daily demand 15
10 3Service level (% of demand met) 95.00% Lead time days 4
Service level (% of demand met) 97.00%
Results ResultsZ-value 1.64 Z-value 1.88Safety stock 16.45 Average demand during lead time 60
6.00Safety stock 11.28Reorder Point 71.28
Models: Either daily demand, lead time or both are variable
DataAverage daily demand 25Standard deviation of daily demand 0 Enter 0 if demand is constantAverage lead time (in days) 6
3 Enter 0 if lead time is constantService level (% of demand met) 98.00%
ResultsZ-value 2.05Average demand during lead time 150
75.00Safety stock 154.03Reorder point 304.03
Standard deviation of σdLT Standard deviation of daily demand, σd
Standard deviation of demand during lead time, σdLT
Standard deviation of lead time, σLT
Standard deviation of demand during lead time, σdLT
Select a model and then enter the data in the shaded area. The model on the bottom left represents the 3 models described in the textbook under Other Probabilistic Models
Select a model and then enter the data in the shaded area. The model on the bottom left represents the 3 models described in the textbook under Other Probabilistic Models
Flair Furniture
Variables T (Tables) C (Chairs)Units Produced 30 40 ProfitObjective function 70 50 4100
Constraints LHS (Hours used) RHSCarpentry 4 3 240 < 240Painting 2 1 100 < 100
Holiday Meal Turkey Ranch
Variables Brand 1 Brand 2Units Produced 8.4 4.8 CostObjective function 2 3 31.2
Constraints LHS (Amt. of Ing.) RHSIngredient A 5 10 90 > 90Ingredient B 4 3 48 > 48Ingredient C 0.5 0 4.2 > 1.5
High Note Sound Company
Variables CD Player ReceiversUnits Produced 0 20 Profit
Objective function 50 120 2400
Constraints LHS (Hrs. Used) RHS
Electrician Hours 2 4 80 < 80
Audio Tech Hours 3 1 20 < 60
7.7
Page 51
Linear Programming
Signs< less than or equal to= equals (You need to enter an apostrophe first.)> greater than or equal to
Data Resultsx 1 x 2 LHS Slack/Surplus
Objective 70 50 sign RHS 4100Constraint 1 4 3 < 240 240 0Constraint 2 2 1 < 100 100 0
ResultsVariables 30 40Objective 4100
Enter the values in the shaded area. Then go to the DATA Tab on the ribbon, click on Solver in the Data Analysis Group and then click SOLVE.If SOLVER is not on the Data Tab then please see the Help file (Solver) for instructions.
Win Big Gambling ClubRadio Radio
TV Newspaper 30 sec. 1 min. Variables X1 X2 X3 X4Solution 1.9688 5 6.2069 0Audience per ad 5000 8500 2400 2800
ConstraintsMax. TV 1Max. Newspaper 1Max. 30-sec. radio 1Max. 1 min. radio 1Cost 800 925 290 380Radio dollars 290 380Radio spots 1 1
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Total Audience67240.3017
LHS RHS1.9688 < 12
5 < 56.2069 < 25
0 < 208000 < 80001800 < 1800
6.2069 > 5
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Management Science Associates
Variable X1 X2 X3 X4 X5 X6 Solution 0 600 140 1000 0 560 Total CostMin. Cost 7.5 6.8 5.5 6.9 7.25 6.1 15166
Constraints LHS RHSTotal Households 1 1 1 1 1 1 2300 > 2,30030 and Younger 1 0 0 1 0 0 1000 > 1,00031-50 0 1 0 0 1 0 600 > 600Border States 0.85 0.85 0.85 -0.15 -0.15 -0.15 395 > 051+ Border States 0 0 0.8 0 0 -0.2 0 < 0
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Fifth Avenue Industries
All silk All poly. Blend 1 Blend 2Variables X1 X2 X3 X4Values 5112 14000 16000 8500 Total ProfitProfit 16.24 8.22 8.77 8.66 412028.88
Constraints LHSSilk available 0.125 0.066 1200 <Polyester available 0.08 0.05 1920 <Cotton available 0.05 0.044 1174 <Maximum silk 1 5112 <Maximum polyester 1 14000 <Maximum blend 1 1 16000 <Maximum blend 2 1 8500 <Minimum silk 1 5112 >Minimum polyester 1 14000 >Minimum blend 1 1 16000 >Minimum blend 2 1 8500 >
Calculations to determine the profit per tie.
Silk Polyester Blend 1 Blend 1Selling Price per tie 19.24 8.7 9.52 10.64 Cost of material per yard
0.125 0 0 0.066 24
0 0.08 0.05 0 6
0 0 0.05 0.044 9Material cost per tie 3 0.48 0.75 1.98Profit per tie 16.24 8.22 8.77 8.66
Yards of silk used in tie
Yards of polyester used in tie
Yards of cotton used in tie
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RHS Slack/Surplus1200 03000 10801600 4267000 1888
14000 016000 0
8500 05000 112
10000 400013000 3000
5000 3500
H I J K
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Greenberg Motors
Variable A1 A2 A3 A4 B1 B2 B3 B4 IA1 IA2 IA3 IA4 IB1 IB2 IB3 IB4Solution 1276.9 223.1 1757.7 792.3 1000 2522.2 77.8 1700 476.9 0 757.7 450 0 1322.2 0 300Min. Cost 20 20 22 22 15 15 16.5 16.5 0.36 0.36 0.36 0.36 0.26 0.26 0.26 0.26
Demand ConstraintsJan. GM3A 1 -1Feb. GM3A 1 1 -1Mar. GM3A 1 1 -1Apr. GM3A 1 1 -1Jan. GM3B 1 -1Feb. GM3B 1 1 -1Mar. GM3B 1 1 -1Apr. GM3B 1 1 -1Inv.GM3A Apr. 1Inv.GM3B Apr. 1Labor Hour ConstraintsHrs Min. Jan. 1.3 0.9Hrs Min. Feb. 1.3 0.9Hrs Min. Mar. 1.3 0.9Hrs Min. Apr. 1.3 0.9Hrs Max. Jan. 1.3 0.9Hrs Max. Feb. 1.3 0.9Hrs Max.Mar. 1.3 0.9Hrs Max. Apr. 1.3 0.9Storage ConstraintsJan. Inv. Limit 1 1Feb. Inv. Limit 1 1Mar. Inv. Limit 1 1Apr. Inv. Limit 1 1
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Jan Feb Mar AprGM3A Units Pro 1276.9 223.1 1757.7 792.3GMBA Units Pro 1000.0 2522.2 77.8 1700.0GM3A Inventory 476.9 0.0 757.7 450.0GM3B Inventory 0.0 1322.2 0.0 300.0Labor Hours Use 2560.0 2560.0 2355.0 2560.0
A B C D E F G H I J K L M N O P Q33
34
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Total Cost169294.9
LHS Sign RHS800 = 800700 = 700
1000 = 10001100 = 11001000 = 10001200 = 12001400 = 14001400 = 1400
450 = 450300 = 300
Slack/Surplus2560 > 2240 3202560 > 2240 3202355 > 2240 1152560 > 2240 3202560 < 2560 02560 < 2560 02355 < 2560 2052560 < 2560 0
476.92 < 33001322.22 < 3300
757.69 < 3300750 < 3300
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Labor Planning Example
Variables F P1 P2 P3 P4 P5Values 10 0 7 2 5 0 Total CostCost 100 32 32 32 32 32 1448
Constraints LHS Sign RHS9 a.m. - 10 a.m. 1 1 10 > 1010 a.m. - 11 a.m. 1 1 1 17 > 1211 a.m. - noon 0.5 1 1 1 14 > 14noon - 1 p.m. 0.5 1 1 1 1 19 > 161 p.m. - 2 p.m. 1 1 1 1 1 24 > 182 p.m. - 3 p.m. 1 1 1 1 17 > 173 p.m. - 4 p.m. 1 1 1 15 > 154 p.m. - 5 p.m. 1 1 10 > 10Max. Full time 1 10 < 12Total PT hours 4 4 4 4 4 56 < 56
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Slack/Surplus0503600020
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ICT Portfolio Selection
Variable X1 X2 X3 X4 Solution 750000 950000 1500000 1800000 Total ReturnMax. Return 0.07 0.11 0.19 0.15 712000
LHS RHSTrade 1 750000 < 1,000,000Bonds 1 950000 < 2,500,000Gold 1 1500000 < 1,500,000Construction 1 1800000 < 1,800,000Min. Gold+Constr. -0.55 -0.55 0.45 0.45 550000 > 0Min. Trade 0.85 -0.15 -0.15 -0.15 0 > 0Total Invested 1 1 1 1 5000000 < 5000000
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Goodman Shipping
Variables X1 X2 X3 X4 X5 X6Values 0.33333 1 0 0 0 0 Total ValueLoad Value $ 22500 24000 8000 9500 11500 9750 31500
Constraints LHS Sign RHSTotal weight 7500 7500 3000 3500 4000 3500 10000 < 10000
% Item 1 1 0.33333333 < 1% Item 2 1 1 < 1% Item 3 1 0 < 1% Item 4 1 0 < 1% Item 5 1 0 < 1% Item 6 1 0 < 1
Whole Foods Nutrition Problem
Grain A Grain B Grain CVariable Xa Xb Xc Solution 0.025 0.05 0.05 Total CostMinimize 0.33 0.47 0.38 0.05075
Constraints LHS Sign RHSProtein 22 28 21 3 > 3Riboflavin 16 14 25 2.35 > 2Phosphorus 8 7 9 1 > 1Magnesium 5 0 6 0.425 > 0.425Total Weight 1 1 1 0.125 = 0.125
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Slack/Surplus0
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Low Knock Oil Company
X100 Reg X100 Econ X220 Reg X220 EconVariable X1 X2 X3 X4 Solution 15000 26666.67 10000 5333.33 Total CostCost 30 30 34.8 34.8 1783600
Constraints LHS SignDemand Regular 1 1 25000 >Demand Economy 1 1 32000 >Ing. A in Regular -0.1 0.15 0 >Ing. B in Economy 0.05 -0.25 0 <
RHS Slack/Surplus25000 032000 0
0 00 0
Top Speed Bicycle CompanyN.O. to N.O. to N.O. to Omaha to Omaha to Omaha to
NY Chicago LA NY Chicago LAVariables X11 X12 X13 X21 X22 X23Values 10000 0 8000 0 8000 7000 Total CostCost 2 3 5 3 1 4 96000
Constraints LHSNY Demand 1 1 10000Chi. Demand 1 1 8000LA Demand 1 1 15000N.O. Supply 1 1 1 18000Omaha Supply 1 1 1 15000
Sign RHS= 10000= 8000= 15000< 20000< 15000
Shipping Cost Per UnitFrom\To Albuquerque Boston Cleveland
Des Moines 5 4 3Evansville 8 4 3Fort Lauderdale 9 7 5
Solution - Number of units shippedAlbuquerque Boston Cleveland Total shipped Supply
Des Moines 100 0 0 100 100Evansville 0 200 100 300 300Fort Lauderdale 200 0 100 300 300Total received 300 200 200Demand 300 200 200
Total cost = 3900
Cost for AssignmentsPerson\Project Project 1 Project 2 Project 3
Adams 11 14 6Brown 8 10 11Cooper 9 12 7
MadeProject 1 Project 2 Project 3 Total pro Supply
Adams 0 0 1 1 1Brown 0 1 0 1 1Cooper 1 0 0 1 1Total assigned to 1 1 1Total workers 1 1 1
Total cost = 25
Frosty Machines Transshipment Problem
Shipping Cost Per UnitFrom\To Chicago Buffalo NYC Phil. St.Louis
Toronto 4 7Detroit 5 7Chicago 6 4 5Buffalo 2 3 4
Solution - Number of units shippedChicago Buffalo NYC Phil. St.LouisTotal shippedSupply
Toronto 650 150 800 800Detroit 0 300 300 700Chicago 0 350 300 650Buffalo 450 0 0 450Total received 650 450 450 350 300Demand 450 350 300
Total cost = 9550
9.4
Page 73
Birmingham
Transportation
DataCOSTS Dest 1 Dest 2 Dest 3 Dest 4 SupplyOrigin 1 73 103 88 108 15000 Origin 2 85 80 100 90 6000 Origin 3 88 97 78 118 14000 Origin 4 84 79 90 99 11000 Demand 10000 12000 15000 9000 46000 \ 46000
ShipmentsShipments Dest 1 Dest 2 Dest 3 Dest 4 Row Total Origin 1 10000 0 1000 4000 15000Origin 2 0 1000 0 5000 6000Origin 3 0 0 14000 0 14000Origin 4 0 11000 0 0 11000Column Total 10000 12000 15000 9000 46000 \ 46000 Total Cost 3741000
Enter the transportation data in the shaded area. Then go to the DATA Tab on the ribbon, click on Solver in the Data Analysis Group and then click SOLVE.If SOLVER is not on the Data Tab then please see the Help file (Solver) for instructions.
9.4
Page 74
Enter the transportation data in the shaded area. Then go to the DATA Tab on the ribbon, click on Solver in the Data Analysis Group and then click SOLVE.If SOLVER is not on the Data Tab then please see the Help file (Solver) for instructions.
9.5
Page 75
Fix-It Shop Assignment
Assignment
DataCOSTS Project 1 Project 2 Project 3Adams 11 14 6 Brown 8 10 11 Cooper 9 12 7
AssignmentsShipments Project 1 Project 2 Project 3 Row Total Adams 1 1 Brown 1 1 Cooper 1 1 Column Total 1 1 1 3 Total Cost 25
Enter the assignment costs in the shaded area. Then go to the DATA Tab on the ribbon, click on Solver in the Data Analysis Group and then click SOLVE.If SOLVER is not on the Data Tab then please see the Help file (Solver) for instructions.
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Harrison Electric Integer Programming AnalysisChandeliers Fans
Variables X1 X2Values 5 0 Total ProfitProfit 7 6 35
Constraints LHS Sign RHSWiring hours 2 3 10 < 12Assembly hours 6 5 30 < 30
Bagwell Chemical CompanyXyline (bags) Hexall (lbs)
Variables X Y Values 44 20 Total ProfitProfit 85 1.5 3770
Constraints LHS sign RHSIngredient A 30 0.5 1330 < 2000Ingredient B 18 0.4 800 < 800Ingredient C 2 0.1 90 < 200
Quemo Chemical CompanyCatalytic Conv. Software Warehouse Expan.
Variables X1 X2 X3Values 1 0 1 NPVNet Present Value 25000 18000 32000 57000
Constraints LHSYear 1 8000 6000 12000 20000Year 2 7000 4000 8000 15000
sign RHS< 20000< 16000
Sitka Manufacturing CompanyBaytown Lake Charles Mobile Baytown units
Variables X1 X2 X3 X4Values 0 1 1 0
Cost 340000 270000 290000 32
ConstraintsMinimum capacity 1
Maximum in Baytown -21000 1Maximum in L. C. -20000
Maximum in Mobile -19000
L. Charles units Mobile unitsX5 X6
19000 19000 Cost33 30 1757000
LHS Sign RHS1 1 38000 > 38000
0 < 01 -1000 < 0
1 0 < 0
`
Simkin, Simkin and Steinberg
Variables X1 X2 X3 X4 X5 X6 X7Values 0 0 1 1 1 1 0 Return
50 80 90 120 110 40 75 360Constraints LHS
Texas 1 1 1 2Foreigh Oil 1 1 1California 1 1 1$3 Million 480 540 680 1000 700 510 900 2890
Return ($1,000s)
Sign RHS> 2< 1= 1< 3000
Great Western ApplianceMicro Self-Clean
Variables X1 X2Values 0 1000
Terms X1 X2Calculated Values 0 1000 1000000 Profit
Profit 28 21 0.25 271000
Constraints LHS Sign RHSCapacity 1 1 1000 < 1000
Hours Available 0.5 0.4 400 < 500
X22
Hospicare Corp
Variables X1 X2Values 6.0663 4.1003
Terms X1 X1*X2 X2 1/X2Calculated Values 6.0663 36.7995 24.8732 4.1003 68.9337 0.2439 Total Profit
Profit 13 0 6 5 1 248.8457
Constraints LHS Sign RHSNursing 2 4 90.00 < 90X-Ray 1 1 75.00 < 75
Budget 8 -2 40.33 < 61
X12 X23
Thermlock Gaskets
Variables X1 X2Values 3.325 14.672 Total CostCost 5 7 119.333
X1 X2Value 3.325 11.058 36.771 14.672 215.276Constraints LHS SignHardness 3 0.25 4 0.3 136.012 >Tensile Strength 13 1 80 >Elasticity 0.7 1 17 >
X12 X13 X22
RHS1258017
Solved Problem 10-1
Variables X1 X2 X3Values 1 1 0 Total
Maximize 50 45 48 95
Constraints LHS Sign RHSConstraint 1 19 27 34 46 < 80Constraint 2 22 13 12 35 < 40Constraint 3 1 1 1 2 < 2Constraint 4 1 -1 0 0 < 0
Forecasting - Exponential Smoothing
0.3478
Time Period (t) |error|1 110 110 0 -2 156 110 46.000 46.0003 126 125.999999780957 0.000 0.0004 138 125.999999857146 12.000 12.0005 124 130.173912893171 -6.174 6.1746 125 128.026464959728 -3.026 3.0267 160 126.973781509886 33.026 33.0268 138.461161697009 MAD= 16.704
MAD is based on time periods 2 through 7
`
α = Ft+1 = Ft + α(Yt-Ft) Demand (Yt) Forecast (Ft) Error = Yt - Ft
F1 is assumed to be a perfect forecast.
General Foundry
Project Management Precedences; 3 time estimates
DataActivity Optimistic Likely Pessimistic Mean Std dev VarianceA 1 2 3 2 0.3333333 0.1111111B 2 3 4 3 0.3333333 0.1111111C 1 2 3 2 0.3333333 0.1111111D 2 4 6 4 0.6666667 0.4444444E 1 4 7 4 1 1F 1 2 9 3 1.3333333 1.7777778G 3 4 11 5 1.3333333 1.7777778H 1 2 3 2 0.3333333 0.1111111Precedences Immediate Predecessors (1 per column)Activity Time Pred 1 Pred 2A 2B 3C 2 AD 4 BE 4 CF 3 CG 5 D EH 2 F G
Results
Activity Slack VarianceA 0 2 0 2 0 0.1111111B 0 3 12 15 12C 2 4 2 4 0 0.1111111D 0 4 4 8 4E 4 8 4 8 0 1F 4 7 10 13 6G 8 13 8 13 0 1.7777778H 13 15 13 15 0 0.1111111
Project 15 Project 3.1111111Std.dev 1.7638342
Early start computationsA 0 0B 0 0C 2 0D 0 0E 4 0F 4 0G 4 8H 7 13
Late finish computationsA B C D E F G H
A 15 15 15 15 15 15 15 15B 15 15 15 15 15 15 15 15C 2 15 15 15 15 15 15 15D 15 15 15 15 15 15 15 15E 15 15 4 15 15 15 15 15
Early Start
Early Finish
Late Start
Late Finish
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Gantt Chart
Column H Critical ActivityNoncritical Activity Slack
Time
Enter the times in the appropriate column(s). Enter the precedences, one per column. (Do not try to use commas).
F 15 15 10 15 15 15 15 15G 15 15 15 8 8 15 15 15H 15 15 15 15 15 13 13 15
2 15 4 8 8 13 13 15
Graph Critical ActiNoncritical Slack 9 Graph Critical ActiA 0 2 0 0 8 H 13 2B 0 0 3 12 7 G 8 5C 2 2 0 0 6 F 4 0D 0 0 4 4 5 E 4 4E 4 4 0 0 4 D 0 0F 4 0 3 6 3 C 2 2G 8 5 0 0 2 B 0 0H 13 2 0 0 1 A 0 2
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Gantt Chart
Column H Critical ActivityNoncritical Activity Slack
Time
Enter the times in the appropriate column(s). Enter the precedences, one per column. (Do not try to use commas).
Noncritical ASlack0 00 03 60 04 40 03 120 0
Crashing
document.xlsx
Project Management Crashing
ResultsData Normal time 15 Minimum crash cost to meet project goal $ 5,000.00 Project goal 12 Minimum time 7 Project time 12
Immediate Predecessors (1 per column) Intermediate Computations
Activity Crash Cost Pred 1 Pred 2 Pred 3 Pred 4 Crash limitA 2 $ 22,000 1 $ 23,000 0 1000 1B 3 $ 30,000 1 $ 34,000 0 2000 2C 2 $ 26,000 1 $ 27,000 A 0 1000 1D 4 $ 48,000 3 $ 49,000 B 0 1000 1E 4 $ 56,000 2 $ 58,000 C 1 1000 2F 3 $ 30,000 2 $ 30,500 C 0 500 1G 5 $ 80,000 2 $ 86,000 D E 2 2000 3H 2 $ 16,000 1 $ 19,000 F G 0 3000 1
0 0 0
Normal Time
Normal Cost
Crash Time
Crash days
Crash cost/day
Enter the data in the shaded area. Then go to the DATA Tab on the ribbon, click on Solver in the Data Analysis Group and then click SOLVE.If SOLVER is not on the Data Tab then please see the Help file (Solver) for instructions.
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Crashing General Foundry ProblemYA YB YC YD YE YF YG YH XST XA XB XC XD XE XF XG
Values 0 0 1 0 0 0 2 0 0 2 3 3 7 7 6 10Minimize cost 1000 2000 1000 1000 1000 500 2000 3000A crash max. 1B crash max. 1C crash max. 1D crash max. 1E crash max. 1F crash max. 1G crash max. 1H crash max. 1Due dateStart 1A constraint 1 -1 1B constraint 1 -1 1C constraint 1 -1 1D constraint 1 -1 1E constraint 1 -1 1F constraint 1 -1 1G constraint 1 1 -1 1G constraint 2 1 -1 1H constraint 1 1 -1H constraint 2 1 -1Finish constraint
XH XFIN12 12 Totals
50000 < 10 < 21 < 10 < 10 < 20 < 12 < 30 < 1
1 12 < 120 = 02 > 23 > 32 > 24 > 44 > 43 > 35 > 55 > 5
1 6 > 21 2 > 2-1 1 0 > 0
Arnold's Muffler Shop
Waiting Lines M/M/1 (Single Server Model)
Data Results2 0.666666673 1.33333333
20.66666667
10.33333333
Probabilities
Number Probability0 0.333333 0.3333331 0.222222 0.5555562 0.148148 0.7037043 0.098765 0.8024694 0.065844 0.8683135 0.043896 0.9122096 0.029264 0.9414727 0.019509 0.9609828 0.013006 0.9739889 0.008671 0.982658
10 0.005781 0.98843911 0.003854 0.99229312 0.002569 0.99486213 0.001713 0.99657514 0.001142 0.99771615 0.000761 0.99847816 0.000507 0.99898517 0.000338 0.99932318 0.000226 0.99954919 0.000150 0.99969920 0.000100 0.999800
Arrival rate (l) Average server utilization(r)Service rate (m) Average number of customers in the queue(Lq)
Average number of customers in the system(Ls)Average waiting time in the queue(Wq)Average time in the system(Ws)Probability (% of time) system is empty (P0)
Cumulative Probability
The arrival RATE and service RATE both must be rates and use the same time unit. Given a time such as 10 minutes, convert it to a rate such as 6 per hour.The arrival RATE and service RATE both must be rates and use the same time unit. Given a time such as 10 minutes, convert it to a rate such as 6 per hour.
The arrival RATE and service RATE both must be rates and use the same time unit. Given a time such as 10 minutes, convert it to a rate such as 6 per hour.
The arrival RATE and service RATE both must be rates and use the same time unit. Given a time such as 10 minutes, convert it to a rate such as 6 per hour.The arrival RATE and service RATE both must be rates and use the same time unit. Given a time such as 10 minutes, convert it to a rate such as 6 per hour.
Arnold's Muffler Shop
Waiting Lines M/M/s
Data Results2 0.33333
3 0.08333Number of servers(s) 2 Average number of customers in the system(L) 0.75
0.04167Average time in the system(W) 0.375
0.5ProbabilitiesNumber Probability Cumulative Probability
0 0.500000 0.5000001 0.333333 0.8333332 0.111111 0.9444443 0.037037 0.9814814 0.012346 0.9938275 0.004115 0.9979426 0.001372 0.9993147 0.000457 0.9997718 0.000152 0.9999249 0.000051 0.999975
10 0.000017 0.99999211 0.000006 0.99999712 0.000002 0.99999913 0.000001 1.00000014 0.000000 1.00000015 0.000000 1.00000016 0.000000 1.00000017 0.000000 1.00000018 0.000000 1.00000019 0.000000 1.00000020 0.000000 1.000000
Computationsn or s (lam/mu)^n/Cumsum(n-term2 P0(s)
0 11 0.6666667 1 2 0.333332 0.2222222 1.6666667 0.333333333333333 0.53 0.0493827 1.8888889 0.0634920634920635 0.51224 0.0082305 1.9382716 0.00987654320987654 0.513315 0.0010974 1.9465021 0.00126622348844571 0.513416 0.0001219 1.9475995 0.000137174211248285 0.513427 1.161E-05 1.9477214 1.28350139179682E-05 0.513428 9.677E-07 1.947733 1.05569378546059E-06 0.513429 7.168E-08 1.947734 7.74175442671098E-08 0.51342
10 4.779E-09 1.947734 5.12020795417393E-09 0.5134211 2.896E-10 1.947734 3.08313597240581E-10 0.5134212 1.609E-11 1.947734 1.70369367459144E-11 0.5134213 8.252E-13 1.947734 8.69753527569206E-13 0.5134214 3.929E-14 1.947734 4.12575391282828E-14 0.51342
Arrival rate (l) Average server utilization(r)
Service rate (m) Average number of customers in the queue(Lq)
Average waiting time in the queue(Wq)
Probability (% of time) system is empty (P0)
The arrival RATE and service RATE both must be rates and use the same time unit. Given a time such as 10 minutes, convert it to a rate such as 6 per hour.The arrival RATE and service RATE both must be rates and use the same time unit. Given a time such as 10 minutes, convert it to a rate such as 6 per hour.
15 1.746E-15 1.947734 1.82757648408783E-15 0.5134216 7.276E-17 1.947734 7.59282983727312E-17 0.5134217 2.854E-18 1.947734 2.96998446015785E-18 0.5134218 1.057E-19 1.947734 1.09750556974159E-19 0.5134219 3.708E-21 1.947734 3.84311714656988E-21 0.5134220 1.236E-22 1.947734 1.27871411410371E-22 0.5134221 3.924E-24 1.947734 4.05275511573854E-24 0.5134222 1.189E-25 1.947734 1.22628006974231E-25 0.513422324252627282930
Rho(s) Lq(s) L(s) Wq(s) W(S)
0.6666667 1.3333333 2 0.6666667 10.3333333 0.0833333 0.75 0.0416667 0.3750.2222222 0.0092915 0.6759582 0.0046458 0.33797910.1666667 0.0010139 0.6676806 0.000507 0.33384030.1333333 0.0001 0.6667667 5E-05 0.33338330.1111111 8.803E-06 0.6666755 4.402E-06 0.33333770.0952381 6.937E-07 0.6666674 3.468E-07 0.33333370.0833333 4.927E-08 0.6666667 2.464E-08 0.33333340.0740741 3.18E-09 0.6666667 1.59E-09 0.33333330.0666667 1.878E-10 0.6666667 9.389E-11 0.33333330.0606061 1.021E-11 0.6666667 5.106E-12 0.33333330.0555556 5.145E-13 0.6666667 2.573E-13 0.33333330.0512821 2.414E-14 0.6666667 1.207E-14 0.3333333
0.047619 1.059E-15 0.6666667 5.296E-16 0.3333333
0.0444444 4.364E-17 0.6666667 2.182E-17 0.33333330.0416667 1.695E-18 0.6666667 8.475E-19 0.33333330.0392157 6.224E-20 0.6666667 3.112E-20 0.3333333
0.037037 2.167E-21 0.6666667 1.084E-21 0.33333330.0350877 7.175E-23 0.6666667 3.587E-23 0.33333330.0333333 2.264E-24 0.6666667 1.132E-24 0.3333333
0.031746 6.822E-26 0.6666667 3.411E-26 0.33333330.030303 1.967E-27 0.6666667 9.837E-28 0.3333333
Garcia-Golding Recycling
Waiting Lines M/D/1 (Constant Service Times)
Data Results8 0.666667
12 0.666667
1.333333
0.083333
0.166667
0.333333
Arrival rate (l) Average server utilization(r)
Service rate (m) Average number of customers in the queue(Lq)
Average number of customers in the system(Ls)
Average waiting time in the queue(Wq)
Average time in the system(Ws)
Probability (% of time) system is empty (P0)
The arrival RATE and service RATE both must be rates and use the same time unit. Given a time such as 10 minutes, convert it to a rate such as 6 per hour.The arrival RATE and service RATE both must be rates and use the same time unit. Given a time such as 10 minutes, convert it to a rate such as 6 per hour.
The arrival RATE and service RATE both must be rates and use the same time unit. Given a time such as 10 minutes, convert it to a rate such as 6 per hour.
Department of Commerce
Waiting Lines M/M/s with a finite population
Data Results
0.05 0.436048
0.5 0.203474
Number of servers 1 0.639522
Population size (N) 5 0.933264
2.933264
0.563952Effective arrival rate 0.218024
Probabilities
Number, n Number waiting0 0.56395218 0.56395218 0 0.251 0.28197609 0.84592827 0 0.22 0.11279044 0.9587187 1 0.153 0.03383713 0.99255583 2 0.14 0.00676743 0.99932326 3 0.055 0.00067674 1 4 06789
101112131415161718192021222324252627282930
Arrival rate (l) per customer Average server utilization(r)
Service rate (m) Average number of customers in the queue(Lq)
Average number of customers in the system(Ls)
Average waiting time in the queue(Wq)
Average time in the system(Ws)
Probability (% of time) system is empty (P0)
Probability, P(n)
Cumulative Probability
Arrival rate(n)
The arrival rate is for each member of the population. If they go for service every 20 minutes then enter 3 (per hour).The arrival rate is for each member of the population. If they go for service every 20 minutes then enter 3 (per hour).
The arrival rate is for each member of the population. If they go for service every 20 minutes then enter 3 (per hour).
31
1.7732
Term 1 Term 2 P0(s)1 1 1 1 0.7732
0.5 1.5 0.5 1.5 0.2732 0.56395220.2 1.7 0.0732
0.06 1.76 0.01320.012 1.772 0.0012
0.0012 1.7732 0
Sum term 1
Sum term 2
Decum term 2
Harry's Tire Shop NOTE: The random numbers appearing here may not be the same as the ones in the book, but the formulas are the same.
Probability Day0.05 0 0.05 0 1 0.8395261 4
0.1 0.05 0.15 1 2 0.6821572 40.2 0.15 0.35 2 3 0.8972836 50.3 0.35 0.65 3 4 0.6513231 40.2 0.65 0.85 4 5 0.1968093 2
0.15 0.85 1 5 6 0.6711921 47 0.9969362 58 0.972367 59 0.1425137 1
10 0.4643349 3Average 3.7
Results (Frequency table)
Frequency Percentage Cum %0 0 0% 0%1 1 10% 10%2 1 10% 20%3 1 10% 30%4 4 40% 70%5 3 30% 100%
10
Probability Range (Lower)
Cumulative Probability
Tires Demand
Random Number
Simulated Demand
Tires Demanded
NOTE: The random numbers appearing here may not be the same as the ones in the book, but the formulas are the same.
Generating Normal Random Numbers NOTE: The random numbers appearing here may not be the same as the ones in the book, but the formulas are the same.
Random number Value Frenquency Percentage44.005287018617 26 0 0.0%
36.3128785803921 28 0 0.0%37.5484787940045 30 2 1.0%36.3103882996003 32 5 2.5%
33.372543840421 34 19 9.5%42.1925553964045 36 22 11.0%44.6341421017851 38 24 12.0%
45.021531591692 40 26 13.0%28.9943876897529 42 32 16.0%33.4399538641563 44 33 16.5%42.4521768742791 46 18 9.0%40.7519320848807 48 12 6.0%39.4296166485296 50 4 2.0%33.5331635875876 52 3 1.5%44.2944150346837 54 0 0.0%43.9895725086873 56 0 0.0%40.2912237587526 20038.739413576011144.304327019540145.127900373936536.470216620143639.212202956152636.207299919705943.413993717052540.076989732188832.487915534354636.615054640361132.482661658237738.767034283857734.112497698678740.943856992996445.702080393262835.784522593066641.7738069167268
49.6298188557232.771850511971142.887289762014143.078123837598950.386824921930839.9613480175716
47.65981706117939.060509950152
41.570471616578542.700069943314943.424590210528836.373793683059140.9480510778864
46.421522427588539.136560693134133.8374900803674
43.28701236311335.987317339447633.2610992708397
41.71568352681449.080834070132336.647070625886333.8151652140623
37.65316061677437.561261003816342.972649488673141.2730099644281
37.28350753007447.545424359921633.9307622781551
36.68499758726638.0209003560329
40.54045456455741.198462386223347.384694794310834.794088291707936.547075435347634.533398784009742.798704018446647.035000168757235.814851806202641.409668690203334.687261004656730.749381345351445.356281192462740.859443196376628.651190982986541.356809150361935.125806171741434.2270790288789
40.77540457767238.060893754159850.219008581699340.851794348176834.551840318788745.8951266871345
39.91639474096442.054720308208540.523201907996240.872652005715144.8682358452754
35.92012376108838.1567010183097
36.952006585627242.0491135913019
46.13260658586342.6510881717864
42.47623904926544.355559343161145.279539778812535.564194229018636.620728586804347.069221980544742.104200359682940.514971117622946.410033991539144.105995662682641.577820924905342.214178004677440.5849705557873
43.49460606098940.305638587845838.407722036663640.667754475560741.237103604263538.974945034522550.829437961050242.076994656699634.384324828639243.919454880189532.190467056151147.7336638942278
38.96274347102237.131790368753630.159375863302637.183624407234937.077494682128638.382095581685639.727353085559436.553676276802444.096853426999434.866018603907734.959346618087333.690035842352739.141677442896633.2765994028442
44.13759791776543.034634387129238.552384504104738.129884955065633.444290199857945.162286164639647.6476661693066
43.165202984408843.638983172221635.817237168866138.805145802256536.080477568919843.7904007738014
43.70820452463240.59799293554143.195238313766
34.672706825003638.690033072763940.802603159778247.335872310635144.605171465888234.200698003095133.167788062573431.504687903403639.728253392678534.433624325381241.3242454399284
43.05296386399140.203742896047237.303847608756430.491992797817748.202161362536836.863564054047236.715190845877446.016281135154841.535133983058543.458415532332536.844847707286940.3324962563807
40.72482845633138.781746852172244.898897758667734.149448614562831.147028626967140.1887505233777
33.29549553073633.270345302530548.438673500052443.703394853073632.634545894414143.204271738653838.8957584701271
33.51289565299839.280146914379539.682865267042634.164544358550442.0078641733918
35.162381746926243.059670452185343.1977466043951
NOTE: The random numbers appearing here may not be the same as the ones in the book, but the formulas are the same.
Harry's Auto Tire
Simulación
Datos Valor esperado
Categoría Valor Frequencia Probabilidad
0 Categoría 1 0 10 0.05 0.05
5 Categoría 2 1 20 0.1 0.15
15 Categoría 3 2 40 0.2 0.35
35 Categoría 4 3 60 0.3 0.65
65 Categoría 5 4 40 0.2 0.85
85 Categoría6 5 30 0.15 1
Total 200 Esperado
Ensayos de la Simulación
Pruebas Num. Aleatorios Valor
1 49.529422250742 3
2 0.0437701450929 0
3 81.530095081199 4
4 30.64616925423 2
5 39.339256861772 3
6 11.442829972163 1
7 56.578907000092 3
8 52.271100676003 3
9 30.904797585195 2
10 12.188684774877 1
11 74.29042520649 4
12 64.623404473052 3
13 27.789357454806 2
14 56.89029924114 3
15 56.003089124712 3
16 3.2791922306976 0
17 86.769422108663 5
18 69.51887602395 4
19 29.456558781278 2
20 0.5271041172875 0
21 95.765886041176 5
22 25.506300479305 2
23 32.665199944105 2
24 18.979633090459 2
25 10.006956521633 1
26 85.815295130378 5
27 71.203032588113 4
Números aleatorios
Probabilidad Acumulativa
28 1.7444040869338 0
29 92.484407783314 5
30 32.793667986497 2
31 8.3366010183628 1
32 26.586939365541 2
33 28.45246077851 2
34 23.431544598128 2
35 22.69692479162 2
36 83.730580622197 4
37 35.92865656954 3
38 65.570168551789 4
39 63.422058665867 3
40 62.645205409283 3
41 45.179084345489 3
42 48.850019297533 3
43 46.019022640284 3
44 81.461217913823 4
45 18.555840477593 2
46 30.744886103998 2
47 99.399136001025 5
48 99.691298141239 5
49 32.234627567576 2
50 79.002370156054 4
51 50.528876375532 3
52 67.681930993872 4
53 32.62374442531 2
54 46.083278668856 3
55 23.519351228789 2
56 78.552323951151 4
57 7.9709981118055 1
58 17.510914895689 2
59 9.065475973963 1
60 90.707723601657 5
61 3.1602390715738 0
62 39.118017556949 3
63 15.682885879464 2
64 87.552883345143 5
65 2.8413255984315 0
66 64.998187316887 3
67 65.983886600572 4
68 63.328387242879 3
69 84.793461821505 4
70 2.5722315449283 0
71 21.527979127498 2
72 32.572141560802 2
73 3.2005867519722 0
74 67.708082548088 4
75 88.346545529757 5
76 52.7490367475 3
77 38.377849094537 3
78 42.026137290614 3
79 88.347253454285 5
80 56.900640092463 3
81 98.758085566568 5
82 88.253419536385 5
83 56.149405449077 3
84 43.328959433217 3
85 2.743567954387 0
86 12.657691135851 1
87 10.602566329813 1
88 79.216647331106 4
89 93.185653275515 5
90 28.224334758371 2
91 35.55347861569 3
92 51.330203096391 3
93 90.243574665365 5
94 68.623451598572 4
95 60.946803824864 3
96 95.052340943847 5
97 23.411746189954 2
98 80.857862259004 4
99 18.146787554994 2
100 25.97456275422 2
101 75.163955494058 4
102 18.339043374533 2
103 99.161288084738 5
104 36.352575845796 3
105 32.292444816004 2
106 38.12787940461 3
107 31.850928583503 2
108 59.886241657049 3
109 45.569228103353 3
110 7.4535987928579 1
111 40.544950663474 3
112 11.907068556212 1
113 29.894261150546 2
114 82.654322967141 4
115 37.476787030141 3
116 94.563208528149 5
117 27.419226743977 2
118 77.622277924162 4
119 62.481714401288 3
120 99.76165636434 5
121 1.250703857742 0
122 3.6228463625444 0
123 52.929661338811 3
124 32.720513257063 2
125 14.283627200713 1
126 93.079437622584 5
127 96.615217855771 5
128 64.602969920414 3
129 74.711236856373 4
130 34.68995431129 2
131 30.739681799965 2
132 43.066800881755 3
133 35.917684076271 3
134 21.018418673047 2
135 55.166321923263 3
136 72.348231112429 4
137 5.2539213334044 1
138 73.973454381073 4
139 1.4203678896438 0
140 21.844801055794 2
141 2.9517877785083 0
142 36.354937369865 3
143 18.684919649218 2
144 42.201637488626 3
145 67.288495517377 4
146 22.722014899812 2
147 60.236489091962 3
148 90.341027244183 5
149 36.483109535816 3
150 78.410337681842 4
151 54.336685907635 3
152 44.42081022538 3
153 68.638324954188 4
154 60.083003391689 3
155 9.303351722103 1
156 31.937852487685 2
157 75.107417394989 4
158 94.541464013012 5
159 35.336173205918 3
160 82.98910221929 4
161 37.8639621919 3
162 52.228802708141 3
163 55.071613345562 3
164 15.781764579537 2
165 41.780580037247 3
166 33.675827908177 2
167 84.271817375179 4
168 28.742535986648 2
169 53.15261913423 3
170 22.013758708504 2
171 50.545037670331 3
172 6.9405076144144 1
173 59.802556498669 3
174 69.132600639547 4
175 89.132613756938 5
176 91.930190374348 5
177 28.661916678495 2
178 3.2855248964109 0
179 57.810779194675 3
180 43.460363308021 3
181 92.223294331288 5
182 43.090808031 3
183 90.020856518051 5
184 8.0414108716674 1
185 23.303452516774 2
186 3.9250867325628 0
187 45.829439610168 3
188 56.122319435542 3
189 41.004869371594 3
190 65.993414596012 4
191 87.182203748667 5
192 19.202720537421 2
193 31.059096806238 2
194 36.996376765244 3
195 82.911511721033 4
196 53.71048878482 3
197 91.979691689636 5
198 10.872350627545 1
199 60.914380107518 3
200 84.321630927431 4
Resultados de la simulación
Valor Porcentaje
0 0 15 0.075 0
20 1 16 0.08 16
80 2 46 0.23 92
180 3 63 0.315 189
160 4 32 0.16 128
150 5 28 0.14 140
Totals 200 1 565
Average 2.825
Valor * Frequencia
Ocurrencias de la Simulación
Ocurrencias* Valor
Port of New Orleans Barge Unloadings NOTE: The random numbers appearing here may not be the same as the ones in the book, but the formulas are the same.
Day Arrivals Unloaded1 0 0.8216697 4 4 0.8405458 4 42 0 0.0928851 0 0 0.6517285 3 03 0 0.1244439 0 0 0.0312884 1 04 0 0.7987013 4 4 0.4019935 3 35 1 0.4880327 3 4 0.6034776 3 36 1 0.1022777 0 1 0.7461971 4 17 0 0.8265669 4 4 0.1122943 2 28 2 0.063667 0 2 0.3256637 3 29 0 0.0133063 0 0 0.3834851 3 0
10 0 0.4212555 2 2 0.9611529 5 2
Barge Arrivals Unloading ratesDemand Probability Lower CumulativeDemand Number Probability Lower
0 0.13 0 0.13 0 1 0.05 01 0.17 0.13 0.3 1 2 0.15 0.052 0.15 0.3 0.45 2 3 0.5 0.23 0.25 0.45 0.7 3 4 0.2 0.74 0.2 0.7 0.9 4 5 0.1 0.95 0.1 0.9 1 5
Previously delayed
Random number
Total to be unoaded
Random Number
Possibly unloaded
NOTE: The random numbers appearing here may not be the same as the ones in the book, but the formulas are the same.
CumulativeUnloading0.05 1
0.2 20.7 30.9 4
1 5
Three Hills Power Company
Repair time1 0.1485 1.5 1.5 1.5 0.2086 12 0.4713 2 3.5 3.5 0.6328 23 0.1001 1 4.5 5.5 0.9410 34 0.9990 3 7.5 8.5 0.2287 15 0.8365 3 10.5 10.5 0.0446 16 0.4387 2 12.5 12.5 0.5189 27 0.6347 2.5 15 15 0.0240 18 0.0803 1 16 16 0.1667 19 0.0613 1 17 17 0.8813 3
10 0.7261 2.5 19.5 20 0.6120 2
Demand Table Repair times
Probability Lower Cumulative Demand Time0.5 0.05 0 0.05 0.5 11.0 0.06 0.05 0.11 1.0 21.5 0.16 0.11 0.27 1.5 32.0 0.33 0.27 0.6 2.02.5 0.21 0.6 0.81 2.53.0 0.19 0.81 1 3.0
NOTE: The random numbers appearing here may not be the same as the ones in the book, but the formulas are the same.
Breakdown number
Random number
Time between breakdowns
Time of breakdowns
Time repairperson is free
Random Number
Time between
breakdowns
Repair ends2.55.58.59.5
11.514.516172022
Probability Lower Cumulative Lead time0.28 0.00 0.28 10.52 0.28 0.80 20.20 0.80 1.00 3
NOTE: The random numbers appearing here may not be the same as the ones in the book, but the formulas are the same.
Three Grocery Example
State ProbabilitiesAmerican Food StFood Mart Atlas Foods
Time #1 #2 #3 Matrix of Transition Probabilities0 0.4 0.3 0.3 0.8 0.1 0.11 0.41 0.31 0.28 0.1 0.7 0.22 0.415 0.314 0.271 0.2 0.2 0.63 0.4176 0.3155 0.26694 0.41901 0.31599 0.2655 0.419807 0.316094 0.2640996 0.4202748 0.3160663 0.2636589
Accounts Receivable Example
1 0 0 0P= I : 0 = 0 1 0 0
A : B 0.6 0 0.2 0.20.4 0.1 0.3 0.2
I - B = 0.8 -0.2-0.3 0.8
F = (I - B) inverse 1.3793103 0.34482760.5172414 1.3793103
FA = 0.9655172 0.03448280.862069 0.137931
Box Filling Example
Quality Control x bar chart
Number of 1Sample siz 36
2
Data ResultsMean
Sample 1 16 x-bar valu 16Average 16 z value 3
Sigma x ba 0.333333
Upper cont 17Center lin 16Lower cont 15
Population standard deviation
Enter the population standard deviation then enter the data from each sample. Finally, you may change the number of standard deviations.
Super Cola Example
Quality Control x bar chart
Number of s 1Sample size 5
Data ResultsMean Range Xbar Range
Sample 1 16.01 0.25 x-bar value 16.01Average 16.01 0.25
R bar 0.25
Upper contro 16.15425 0.52875Center line 16.01 0.25
Table Lower contro 15.86575 0
2 1.88 3.268 03 1.023 2.574 04 0.729 2.282 05 0.577 2.115 06 0.483 2.004 07 0.419 1.924 0.0768 0.373 1.864 0.1369 0.337 1.816 0.184
10 0.308 1.777 0.22311 0.285 1.744 0.25612 0.266 1.716 0.28413 0.249 1.692 0.30814 0.235 1.671 0.32915 0.223 1.652 0.34816 0.212 1.636 0.36417 0.203 1.621 0.37918 0.194 1.608 0.39219 0.187 1.596 0.40420 0.18 1.586 0.41421 0.173 1.575 0.42522 0.167 1.566 0.43423 0.162 1.557 0.44324 0.157 1.548 0.45225 0.153 1.541 0.459
Sample size, n
Mean Factor, A2
Upper Range, D4
Lower Range, D3
Enter the mean and range from each sample.
ARCO
Quality Control p chart
Number of 20Sample size 100
Data Results# Defects % Defects Total Sampl 2000
Sample 1 6 0.06 Total Defec 80Sample 2 5 0.05 Percentage 0.04Sample 3 0 0 Std dev of 0.019596Sample 4 1 0.01 z value 3Sample 5 4 0.04Sample 6 2 0.02 Upper Contr0.098788Sample 7 5 0.05 Center Line 0.04Sample 8 3 0.03 Lower Contr 0Sample 9 3 0.03Sample 10 2 0.02Sample 11 6 0.06Sample 12 1 0.01Sample 13 8 0.08Sample 14 7 0.07Sample 15 5 0.05Sample 16 4 0.04Sample 17 11 0.11 Above UCLSample 18 3 0.03Sample 19 0 0Sample 20 4 0.04
Graph informationSample 1 0.06 0 0.04 0.098788Sample 2 0.05 0 0.04 0.098788Sample 3 0 0 0.04 0.098788Sample 4 0.01 0 0.04 0.098788Sample 5 0.04 0 0.04 0.098788Sample 6 0.02 0 0.04 0.098788Sample 7 0.05 0 0.04 0.098788Sample 8 0.03 0 0.04 0.098788Sample 9 0.03 0 0.04 0.098788Sample 10 0.02 0 0.04 0.098788Sample 11 0.06 0 0.04 0.098788Sample 12 0.01 0 0.04 0.098788Sample 13 0.08 0 0.04 0.098788Sample 14 0.07 0 0.04 0.098788
1 3 5 7 9 11 13 15 17 190
0.020.040.060.08
0.10.12
p-chart
Sample
Mea
n
Enter the sample size then enter the number of defects in each sample.
Sample 15 0.05 0 0.04 0.098788Sample 16 0.04 0 0.04 0.098788Sample 17 0.11 0 0.04 0.098788Sample 18 0.03 0 0.04 0.098788Sample 19 0 0 0.04 0.098788Sample 20 0.04 0 0.04 0.098788
1 3 5 7 9 11 13 15 17 190
0.020.040.060.08
0.10.12
p-chart
Sample
Mea
n
Red Top Cab Company
Quality Control c chart
Number of 9
Data Results# Defects Total unit 9
Sample 1 3 Total Defe 54Sample 2 0 6Sample 3 8 Standard d 2.44949Sample 4 9 z value 3Sample 5 6
Sample 6 7 Upper Cont13.34847Sample 7 4 Center Lin 6Sample 8 9 Lower Cont 0Sample 9 8
Graph informationSample 1 3 0 6 13.348469Sample 2 0 0 6 13.348469Sample 3 8 0 6 13.348469Sample 4 9 0 6 13.348469Sample 5 6 0 6 13.348469Sample 6 7 0 6 13.348469Sample 7 4 0 6 13.348469Sample 8 9 0 6 13.348469Sample 9 8 0 6 13.348469
Defect rate, l
1 2 3 4 5 6 7 8 90
4
8
12
16
c-chart
Sample
Mea
n
Enter the number of defects for each of the samples/items.
1 2 3 4 5 6 7 8 90
4
8
12
16
c-chart
Sample
Mea
n
AHP n= 3
Hardware Sys.1 Sys.2 Sys.3 Sys.1 Sys.2 Sys.3 Priority Wt. sum vector Consistency vector
Sys.1 1 3 9 Sys.1 0.6923 0.7200 0.5625 0.6583 2.0423 3.1025
Sys.2 0.33333 1 6 Sys.2 0.2308 0.2400 0.3750 0.2819 0.8602 3.0512
Sys.3 0.11111 0.16667 1 Sys.3 0.0769 0.0400 0.0625 0.0598 0.1799 3.0086
Column Total 1.44444 4.16667 16
Software Sys.1 Sys.2 Sys.3 Sys.1 Sys.2 Sys.3 Priority Wt. sum vector
Sys.1 1 0.5 0.125 Sys.1 0.0909 0.0769 0.0943 0.0874 0.2623 3.0014
Sys.2 2 1 0.2 Sys.2 0.1818 0.1538 0.1509 0.1622 0.4871 3.0028
Sys.3 8 5 1 Sys.3 0.7273 0.7692 0.7547 0.7504 2.2605 3.0124
Column Total 11 6.5 1.325
Vendor Sys.1 Sys.2 Sys.3 Sys.1 Sys.2 Sys.3 Priority Wt. sum vector
Sys.1 1 1 6 Sys.1 0.4615 0.4286 0.6000 0.4967 1.5330 3.0863
Sys.2 1 1 3 Sys.2 0.4615 0.4286 0.3000 0.3967 1.2132 3.0582
Sys.3 0.16667 0.33333 1 Sys.3 0.0769 0.1429 0.1000 0.1066 0.3216 3.0172
Column Total 2.16667 2.33333 10
Factor Hard. Soft. Vendor Hardware Software Vendor Priority Wt. sum vector
Hardware 1 0.125 0.33333 Hardware 0.0833 0.0857 0.0769 0.0820 0.2460 3.0004
Software 8 1 3 Software 0.6667 0.6857 0.6923 0.6816 2.0468 3.0031
Vendor 3 0.33333 1 Vendor 0.2500 0.2286 0.2308 0.2364 0.7096 3.0011
Column Total 12 1.45833 4.33333
n RI Hardware Software Vendor Priority
2 0.00 Sys.1 0.658 0.087 0.497 0.231
3 0.58 Sys.2 0.282 0.162 0.397 0.227
4 0.90 Sys.3 0.060 0.750 0.107 0.542
5 1.12
6 1.24
7 1.32
8 1.41
Consistency vector
Lambd 3.0541
CI 0.0270
CR 0.0466
Lambd3.00554307504178
CI 0.0028
CR 0.0048
Lambd 3.0539
CI 0.0269
CR 0.0464
Lambd 3.0015
CI 0.0008
CR 0.0013
Matrix Multiplication
A= 1 2 3 B= 2 11 2 0 1 1
3 2
AxB = 13 94 3
Matrix Inverse
A= 2 1 A-inverse= 1.5 -0.54 3 -2 1
Matrix Determinant
A= 3 4 det(A)= -104 2