correlation, linear regression 1. scatterplot relationship between two continouous variables 2
TRANSCRIPT
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Correlation, linear regression*
Biostat 3.
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ScatterplotRelationship between two continouous variables*
Biostat 3.
Munka1
StudentHours studiedGrade
Jane870
Joe1080
Sue1275
Pat1990
Bob2085
Tom2595
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ScatterplotRelationship between two continouous variables*
Biostat 3.
Munka1
StudentHours studiedGrade
Jane870
Joe1080
Sue1275
Pat1990
Bob2085
Tom2595
Munka1
Grade
Munka2
Munka3
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ScatterplotOther examples*
Biostat 3.
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Example II.Imagine that 6 students are given a battery of tests by a vocational guidance counsellor with the results shown in the following table:
Variables measured on the same individuals are often related to each other.
*
Biostat 3.
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Let us draw a graph called scattergram to investigate relationships.Scatterplots show the relationship between two quantitative variables measured on the same cases.In a scatterplot, we look for the direction, form, and strength of the relationship between the variables. The simplest relationship is linear in form and reasonably strong.Scatterplots also reveal deviations from the overall pattern.
*
Biostat 3.
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Creating a scatterplotWhen one variable in a scatterplot explains or predicts the other, place it on the x-axis.Place the variable that responds to the predictor on the y-axis.If neither variable explains or responds to the other, it does not matter which axes you assign them to.*
Biostat 3.
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*Possible relationshipspositive correlationnegative correlationno correlation
Biostat 3.
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Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
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30.1411200081
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Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
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1.20.932039086
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1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
y
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Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
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0.20.1986693308
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0.60.5646424734
0.80.7173560909
10.8414709848
1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
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2.80.3349881502
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Describing linear relationship with number: the coefficient of correlation (r).Also called Pearson coefficient of correlation*Correlation is a numerical measure of the strength of a linear association. The formula for coefficient of correlation treats x and y identically. There is no distinction between explanatory and response variable. Let us denote the two samples by x1,x2,xn and y1,y2,yn , the coefficient of correlation can be computed according to the following formula
Biostat 3.
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Karl PearsonKarl Pearson (27 March 1857 27 April 1936) established the discipline of mathematical statistics. http://en.wikipedia.org/wiki/Karl_Pearson*
Biostat 3.
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Properties of rCorrelations are between -1 and +1; the value of r is always between -1 and 1, either extreme indicates a perfect linear association. -1r 1.a) If r is near +1 or -1 we say that we have high correlation.
b) If r=1, we say that there is perfect positive correlation. If r= -1, then we say that there is a perfect negative correlation.
c) A correlation of zero indicates the absence of linear association. When there is no tendency for the points to lie in a straight line, we say that there is no correlation (r=0) or we have low correlation (r is near 0 ).
*
Biostat 3.
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Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
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-3-0.1411200081
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0.20.1986693308
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0.80.7173560909
10.8414709848
1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
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Diagram5
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Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
math
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0.20.1986693308
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1.20.932039086
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1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
y
Diagram6
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adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
math
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theater
Munka2
math
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math
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1.80.97384763090.7964355021
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2.40.6754631806
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2.80.3349881502
30.1411200081
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*Calculated values of rpositive correlation, r=0.9989negative correlation, r=-0.9993no correlation, r=-0.2157
Biostat 3.
Diagram1
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Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
math
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2.20.80849640380.1574204489
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2.60.5155013718
2.80.3349881502
30.1411200081
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Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
math
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2.60.5155013718
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30.1411200081
y
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Pat5130525550
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Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
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ScatterplotOther examples*r=0.873r=0.018
Biostat 3.
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Correlation and causationa correlation between two variables does not show that one causes the other. *
Biostat 3.
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Correlation by eyehttp://onlinestatbook.com/stat_sim/reg_by_eye/index.html This applet lets you estimate the regression line and to guess the value of Pearson's correlation. Five possible values of Pearson's correlation are listed. One of them is the correlation for the data displayed in the scatterplot. Guess which one it is. To see the correct value, click on the "Show r" button.*
Biostat 3.
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Effect of outliersEven a single outlier can change the correlation substantially. Outliers can create an apparently strong correlation where none would be found otherwise, or hide a strong correlation by making it appear to be weak.
*r=-0.21r=0.74r=0.998r=-0.26
Biostat 3.
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Joe160800
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Amie6350495520-0.2157385322
Gene85304304550.7413007121
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Joe160800
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Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
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Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
Munka1
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Correlation and linearity Two variables may be closely related and still have a small correlation if the form of the relationship is not linear.*r=2.8 E-15 (=0.0000000000000028)r=0.157
Biostat 3.
Diagram8
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7.84
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3.24
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1
0.64
0.36
0.16
0.04
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1.44
1.96
2.56
3.24
4
4.84
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6.76
7.84
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adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
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-39
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0.20.04
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1.21.44
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24
2.24.84
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39
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Diagram9
0
0.1986693308
0.3894183423
0.5646424734
0.7173560909
0.8414709848
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0.98544973
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0.9092974268
0.8084964038
0.6754631806
0.5155013718
0.3349881502
y
adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
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90
50
30
90
160
math
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1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
y
-
Correlation and linearity Four sets of data with the same correlation of 0.816http://en.wikipedia.org/wiki/Correlation_and_dependence*
Biostat 3.
-
Coefficient of determination The square of the correlation coefficient multiplied by 100 is called the coefficient of determination. It shows the percentages of the total variation explained by the linear regression. Example.The correlation between math aptitude and language aptitude was found r =0,9989. The coefficient of determination, r2 = 0.917 . So 91.7% of the total variation of Y is caused by its linear relationship with X .*
Biostat 3.
-
When is a correlation high?What is considered to be high correlation varies with the field of application. The statistician must decide when a sample value of r is far enough from zero, that is, when it is sufficiently far from zero to reflect the correlation in the population.*
Biostat 3.
-
Testing the significance of the coefficient of correlationThe statistician must decide when a sample value of r is far enough from zero to be significant, that is, when it is sufficiently far from zero to reflect the correlation in the population.(details: lecture 8.)
*
Biostat 3.
-
Prediction based on linear correlation: the linear regressionWhen the form of the relationship in a scatterplot is linear, we usually want to describe that linear form more precisely with numbers. We can rarely hope to find data values lined up perfectly, so we fit lines to scatterplots with a method that compromises among the data values. This method is called the method of least squares. The key to finding, understanding, and using least squares lines is an understanding of their failures to fit the data; the residuals.*
Biostat 3.
-
Residuals, example 1.*
Biostat 3.
-
Residuals, example 2.*
Biostat 3.
-
Residuals, example 3.*
Biostat 3.
-
Prediction based on linear correlation: the linear regressionA straight line that best fits the data: y=bx + a or y= a + bx is called regression lineGeometrical meaning of a and b.b: is called regression coefficient, slope of the best-fitting line or regression line;a: y-intercept of the regression line.
The principle of finding the values a and b, given x1,x2,xn and y1,y2,yn .Minimising the sum of squared residuals, i.e.( yi-(a+bxi) )2 min
*
Biostat 3.
-
Residuals, example 3.*(x1,y1)b*x1+ay1-(b*x1+a)y2-(b*x2+a)y6-(b*x6+a)
Biostat 3.
-
*
Biostat 3.
The general equation of a line is y = a + b x. We would like to find the values of a and b in such a way that the resulting line be the best fitting line. Let's suppose we have n pairs of (xi, yi) measurements. We would like to approximate yi by values of a line . If xi is the independent variable, the value of the line is a + b xi.
We will approximate yi by the value of the line at xi, that is, by a + b xi. The approximation is good if the differences
are small. These differences can be positive or negative, so let's take its square and summarize:
This is a function of the unknown parameters a and b, called also the sum of squared residuals. To determine a and b: we have to find the minimum of S(a,b). In order to find the minimum, we have to find the derivatives of S, and solve the equations
The solution of the equation-system gives the formulas for b and a:
and
It can be shown, using the 2nd derivatives, that these are really minimum places.
-
Equation of regression line for the data of Example 1.y=1.016x+15.5 the slope of the line is 1.016 Prediction based on the equation: what is the predicted score for language for a student having 400 points in math?ypredicted=1.016 400+15.5=421.9*
Biostat 3.
-
Computation of the correlation coefficient from the regression coefficient.There is a relationship between the correlation and the regression coefficient:
where sx, sy are the standard deviations of the samples .From this relationship it can be seen that the sign of r and b is the same: if there exist a negative correlation between variables, the slope of the regression line is also negative . *
Biostat 3.
-
SPSS output for the relationship between age and body mass*Coefficient of correlation, r=0.018Equation of the regression line:y=0.078x+66.040
Biostat 3.
-
SPSS output for the relationship between body mass at present and 3 years ago*Coefficient of correlation, r=0.873Equation of the regression line:y=0.795x+10.054
Biostat 3.
-
Regression using transformationsSometimes, useful models are not linear in parameters. Examining the scatterplot of the data shows a functional, but not linear relationship between data. *
Biostat 3.
-
ExampleA fast food chain opened in 1974. Each year from 1974 to 1988 the number of steakhouses in operation is recorded. The scatterplot of the original data suggests an exponential relationship between x (year) and y (number of Steakhouses) (first plot)Taking the logarithm of y, we get linear relationship (plot at the bottom) *
Biostat 3.
-
Performing the linear regression procedure to x and log (y) we get the equationlog y = 2.327 + 0.2569 xthat isy = e2.327 + 0.2569 x=e2.327e0.2569x= 1.293e0.2569x is the equation of the best fitting curve to the original data. *
Biostat 3.
-
*log y = 2.327 + 0.2569 xy = 1.293e0.2569x
Biostat 3.
-
Types of transformationsSome non-linear models can be transformed into a linear model by taking the logarithms on either or both sides. Either 10 base logarithm (denoted log) or natural (base e) logarithm (denoted ln) can be used. If a>0 and b>0, applying a logarithmic transformation to the model *
Biostat 3.
Krisztina Boda Krisztina Boda
Exponential relationship ->take log yModel: y=a*10bxTake the logarithm of both sides:lg y =lga+bxso lg y is linear in x*
adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
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adatok
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0.20.1986693308
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1.40.98544973
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1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
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30.1411200081
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0.1986693308
0.3894183423
0.5646424734
0.7173560909
0.8414709848
0.932039086
0.98544973
0.999573603
0.9738476309
0.9092974268
0.8084964038
0.6754631806
0.5155013718
0.3349881502
y
xylg y
01.10.0413926852
11.90.278753601
240.6020599913
38.10.9084850189
4161.2041199827
xylog x
10.10
420.6020599913
83.010.903089987
163.91.2041199827
xylog xlog y
1200.3010299957
2160.30102999571.2041199827
3540.47712125471.7323937598
41280.60205999132.1072099696
xy1/x
11.11
20.450.5
30.3330.3333333333
40.230.25
50.19990.2
0
0
0
0
0
y
x
y
0
0
0
0
0
y
x
log y
0
0
0
0
y
x
y
0
0
0
0
y
log10 x
y
0
0
0
0
y
x
y
0
0
0
0
log y
log x
log y
0
0
0
0
0
y
x
y
0
0
0
0
0
y
1/x
y
Diagram7
1.1
1.9
4
8.1
16
y
x
y
adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
math
math score
theater
nemlineris
math
math score
theater
transzformcik
math
math score
language
math
math score
language
math
math score
retailing
xy
-3-0.1411200081
-2.8-0.3349881502
-2.6-0.5155013718
-2.4-0.6754631806
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00
0.20.1986693308
0.40.3894183423
0.60.5646424734
0.80.7173560909
10.8414709848
1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
0
0.1986693308
0.3894183423
0.5646424734
0.7173560909
0.8414709848
0.932039086
0.98544973
0.999573603
0.9738476309
0.9092974268
0.8084964038
0.6754631806
0.5155013718
0.3349881502
y
xylg y
01.10.0413926852
11.90.278753601
240.6020599913
38.10.9084850189
4161.2041199827
xylog x
10.10
420.6020599913
83.010.903089987
163.91.2041199827
xylog xlog y
1200.3010299957
2160.30102999571.2041199827
3540.47712125471.7323937598
41280.60205999132.1072099696
xy1/x
11.11
20.450.5
30.3330.3333333333
40.230.25
50.19990.2
y
x
y
y
x
log y
y
x
y
y
log10 x
y
y
x
y
log y
log x
log y
y
x
y
y
1/x
y
Diagram8
0.0413926852
0.278753601
0.6020599913
0.9084850189
1.2041199827
y
x
log y
adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
math
math score
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xy
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0.20.1986693308
0.40.3894183423
0.60.5646424734
0.80.7173560909
10.8414709848
1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
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30.1411200081
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0.1986693308
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0.9738476309
0.9092974268
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y
xylg y
01.10.0413926852
11.90.278753601
240.6020599913
38.10.9084850189
4161.2041199827
xylog x
10.10
420.6020599913
83.010.903089987
163.91.2041199827
xylog xlog y
1200.3010299957
2160.30102999571.2041199827
3540.47712125471.7323937598
41280.60205999132.1072099696
xy1/x
11.11
20.450.5
30.3330.3333333333
40.230.25
50.19990.2
y
x
y
y
x
log y
y
x
y
y
log10 x
y
y
x
y
log y
log x
log y
y
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y
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1/x
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Krisztina Boda Krisztina Boda
Logarithm relationship ->take log xModel: y=a+lgx
so y is linear in lg x*
adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
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retailing
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0.20.1986693308
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10.8414709848
1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
0
0.1986693308
0.3894183423
0.5646424734
0.7173560909
0.8414709848
0.932039086
0.98544973
0.999573603
0.9738476309
0.9092974268
0.8084964038
0.6754631806
0.5155013718
0.3349881502
y
xylg y
01.10.0413926852
11.90.278753601
240.6020599913
38.10.9084850189
4161.2041199827
xylog x
10.10
420.6020599913
83.010.903089987
163.91.2041199827
xylog xlog y
1200.3010299957
2160.30102999571.2041199827
3540.47712125471.7323937598
41280.60205999132.1072099696
xy1/x
11.11
20.450.5
30.3330.3333333333
40.230.25
50.19990.2
0
0
0
0
0
y
x
y
0
0
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0
0
y
x
log y
0
0
0
0
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x
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0
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log10 x
y
0
0
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x
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0
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0
0
log y
log x
log y
0
0
0
0
0
y
x
y
0
0
0
0
0
y
1/x
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Diagram9
0.1
2
3.01
3.9
y
x
y
adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
math
math score
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math
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theater
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math
math score
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math score
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math
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retailing
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-2.6-0.5155013718
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00
0.20.1986693308
0.40.3894183423
0.60.5646424734
0.80.7173560909
10.8414709848
1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
0
0.1986693308
0.3894183423
0.5646424734
0.7173560909
0.8414709848
0.932039086
0.98544973
0.999573603
0.9738476309
0.9092974268
0.8084964038
0.6754631806
0.5155013718
0.3349881502
y
xylg y
01.10.0413926852
11.90.278753601
240.6020599913
38.10.9084850189
4161.2041199827
xylog x
10.10
420.6020599913
83.010.903089987
163.91.2041199827
xylog xlog y
1200.3010299957
2160.30102999571.2041199827
3540.47712125471.7323937598
41280.60205999132.1072099696
xy1/x
11.11
20.450.5
30.3330.3333333333
40.230.25
50.19990.2
y
x
y
y
x
log y
y
x
y
y
log10 x
y
y
x
y
log y
log x
log y
y
x
y
y
1/x
y
Diagram10
0.1
2
3.01
3.9
y
log10 x
y
adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
math
math score
theater
nemlineris
math
math score
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math score
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00
0.20.1986693308
0.40.3894183423
0.60.5646424734
0.80.7173560909
10.8414709848
1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
0
0.1986693308
0.3894183423
0.5646424734
0.7173560909
0.8414709848
0.932039086
0.98544973
0.999573603
0.9738476309
0.9092974268
0.8084964038
0.6754631806
0.5155013718
0.3349881502
y
xylg y
01.10.0413926852
11.90.278753601
240.6020599913
38.10.9084850189
4161.2041199827
xylog x
10.10
420.6020599913
83.010.903089987
163.91.2041199827
xylog xlog y
1200.3010299957
2160.30102999571.2041199827
3540.47712125471.7323937598
41280.60205999132.1072099696
xy1/x
11.11
20.450.5
30.3330.3333333333
40.230.25
50.19990.2
y
x
y
y
x
log y
y
x
y
y
log10 x
y
y
x
y
log y
log x
log y
y
x
y
y
1/x
y
Krisztina Boda Krisztina Boda
Power relationship ->take log x and log yModel: y=axbTake the logarithm of both sides:lg y =lga+b lgxso lgy is linear in lg x*
adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
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math
math score
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0
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math
math score
retailing
xy
-3-0.1411200081
-2.8-0.3349881502
-2.6-0.5155013718
-2.4-0.6754631806
-2.2-0.8084964038
-2-0.9092974268
-1.8-0.9738476309
-1.6-0.999573603
-1.4-0.98544973
-1.2-0.932039086
-1-0.8414709848
-0.8-0.7173560909
-0.6-0.5646424734
-0.4-0.3894183423
-0.2-0.1986693308
00
0.20.1986693308
0.40.3894183423
0.60.5646424734
0.80.7173560909
10.8414709848
1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
0
0.1986693308
0.3894183423
0.5646424734
0.7173560909
0.8414709848
0.932039086
0.98544973
0.999573603
0.9738476309
0.9092974268
0.8084964038
0.6754631806
0.5155013718
0.3349881502
y
xylg y
01.10.0413926852
11.90.278753601
240.6020599913
38.10.9084850189
4161.2041199827
xylog x
10.10
420.6020599913
83.010.903089987
163.91.2041199827
xylog xlog y
1200.3010299957
2160.30102999571.2041199827
3540.47712125471.7323937598
41280.60205999132.1072099696
xy1/x
11.11
20.450.5
30.3330.3333333333
40.230.25
50.19990.2
0
0
0
0
0
y
x
y
0
0
0
0
0
y
x
log y
0
0
0
0
y
x
y
0
0
0
0
y
log10 x
y
y
x
y
0
0
0
0
log y
log x
log y
0
0
0
0
0
y
x
y
0
0
0
0
0
y
1/x
y
Diagram11
2
16
54
128
y
x
y
adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
math
math score
theater
nemlineris
math
math score
theater
transzformcik
math
math score
language
math
math score
language
math
math score
retailing
xy
-3-0.1411200081
-2.8-0.3349881502
-2.6-0.5155013718
-2.4-0.6754631806
-2.2-0.8084964038
-2-0.9092974268
-1.8-0.9738476309
-1.6-0.999573603
-1.4-0.98544973
-1.2-0.932039086
-1-0.8414709848
-0.8-0.7173560909
-0.6-0.5646424734
-0.4-0.3894183423
-0.2-0.1986693308
00
0.20.1986693308
0.40.3894183423
0.60.5646424734
0.80.7173560909
10.8414709848
1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
0
0.1986693308
0.3894183423
0.5646424734
0.7173560909
0.8414709848
0.932039086
0.98544973
0.999573603
0.9738476309
0.9092974268
0.8084964038
0.6754631806
0.5155013718
0.3349881502
y
xylg y
01.10.0413926852
11.90.278753601
240.6020599913
38.10.9084850189
4161.2041199827
xylog x
10.10
420.6020599913
83.010.903089987
163.91.2041199827
xylog xlog y
1200.3010299957
2160.30102999571.2041199827
3540.47712125471.7323937598
41280.60205999132.1072099696
xy1/x
11.11
20.450.5
30.3330.3333333333
40.230.25
50.19990.2
y
x
y
y
x
log y
y
x
y
y
log10 x
y
y
x
y
log y
log x
log y
y
x
y
y
1/x
y
Diagram12
0.3010299957
1.2041199827
1.7323937598
2.1072099696
log y
log x
log y
adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
math
math score
theater
nemlineris
math
math score
theater
transzformcik
math
math score
language
math
math score
language
math
math score
retailing
xy
-3-0.1411200081
-2.8-0.3349881502
-2.6-0.5155013718
-2.4-0.6754631806
-2.2-0.8084964038
-2-0.9092974268
-1.8-0.9738476309
-1.6-0.999573603
-1.4-0.98544973
-1.2-0.932039086
-1-0.8414709848
-0.8-0.7173560909
-0.6-0.5646424734
-0.4-0.3894183423
-0.2-0.1986693308
00
0.20.1986693308
0.40.3894183423
0.60.5646424734
0.80.7173560909
10.8414709848
1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
0
0.1986693308
0.3894183423
0.5646424734
0.7173560909
0.8414709848
0.932039086
0.98544973
0.999573603
0.9738476309
0.9092974268
0.8084964038
0.6754631806
0.5155013718
0.3349881502
y
xylg y
01.10.0413926852
11.90.278753601
240.6020599913
38.10.9084850189
4161.2041199827
xylog x
10.10
420.6020599913
83.010.903089987
163.91.2041199827
xylog xlog y
1200.3010299957
2160.30102999571.2041199827
3540.47712125471.7323937598
41280.60205999132.1072099696
xy1/x
11.11
20.450.5
30.3330.3333333333
40.230.25
50.19990.2
y
x
y
y
x
log y
y
x
y
y
log10 x
y
y
x
y
log y
log x
log y
y
x
y
y
1/x
y
-
Log10 base logarithmic scale*21345678910
Biostat 3.
Diagram9
0
0.3010299957
0.4771212547
0.6020599913
0.6989700043
0.7781512504
0.84509804
0.903089987
0.9542425094
1
log10 x
Munka1
z
10
21
42
83
164
1/2-1
1/4-2
1/8-3
1/16-4
Exp
xz
-20.015625-6
-1.90.0192366315-5.7
-1.80.0236830714-5.4
-1.70.029157281-5.1
-1.60.0358968236-4.8
-1.50.0441941738-4.5
-1.40.0544094102-4.2
-1.30.0669858414-3.9
-1.20.0824692444-3.6
-1.10.1015315495-3.3
-10.125-3
-0.90.1538930517-2.7
-0.80.1894645708-2.4
-0.70.2332582479-2.1
-0.60.2871745887-1.8
-0.50.3535533906-1.5
-0.40.4352752816-1.2
-0.30.5358867313-0.9
-0.20.6597539554-0.6
-0.10.8122523964-0.3
-0.090.8293195458-0.27
-0.080.8467453124-0.24
-0.070.8645372313-0.21
-0.060.8827029963-0.18
-0.050.9012504626-0.15
-0.040.9201876506-0.12
-0.030.9395227492-0.09
-0.020.9592641193-0.06
-0.010.9794202976-0.03
010
0.011.02101212570.03
0.021.04246576080.06
0.031.06437018250.09
0.041.08673486250.12
0.051.10956947210.15
0.061.13288388530.18
0.071.15668818390.21
0.081.18099266140.24
0.091.20580782770.27
0.11.23114441330.3
0.21.51571656650.6
0.31.86606598310.9
0.42.297396711.2
0.52.82842712471.5
0.63.48220225321.8
0.74.28709385012.1
0.85.27803164312.4
0.96.49801917082.7
183
1.19.84915530683.3
1.212.12573253213.6
1.314.92852786463.9
1.418.379173684.2
1.522.6274169984.5
1.627.85761802554.8
1.734.29675080125.1
1.842.22425314475.4
1.951.98415336685.7
2646
Exp
y
x
23x
Exp 10
x
log2 y
y
y
2
4
8
16
1
1/2
1/4
1/8
1/16
z
Exp2
xz
-20.000001-6
-1.90.0000019953-5.7
-1.80.0000039811-5.4
-1.70.0000079433-5.1
-1.60.0000158489-4.8
-1.50.0000316228-4.5
-1.40.0000630957-4.2
-1.30.0001258925-3.9
-1.20.0002511886-3.6
-1.10.0005011872-3.3
-10.001-3
-0.90.0019952623-2.7
-0.80.0039810717-2.4
-0.70.0079432823-2.1
-0.60.0158489319-1.8
-0.50.0316227766-1.5
-0.40.0630957344-1.2
-0.30.1258925412-0.9
-0.20.2511886432-0.6
-0.10.5011872336-0.3
-0.090.5370317964-0.27
-0.080.5754399373-0.24
-0.070.6165950019-0.21
-0.060.660693448-0.18
-0.050.7079457844-0.15
-0.040.758577575-0.12
-0.030.8128305162-0.09
-0.020.87096359-0.06
-0.010.9332543008-0.03
010
0.011.07151930520.03
0.021.14815362150.06
0.031.23026877080.09
0.041.31825673860.12
0.051.41253754460.15
0.061.51356124840.18
0.071.62181009740.21
0.081.73780082870.24
0.091.86208713670.27
0.11.9952623150.3
0.23.98107170550.6
0.37.94328234720.9
0.415.84893192461.2
0.531.62277660171.5
0.663.0957344481.8
0.7125.89254117942.1
0.8251.1886431512.4
0.9501.18723362732.7
110003
1.11995.26231496893.3
1.23981.0717055353.6
1.37943.28234724283.9
1.415848.93192461114.2
1.531622.77660168384.5
1.663095.73444801954.8
1.7125892.5411794175.1
1.8251188.6431509585.4
1.9501187.2336272725.7
210000006
1/32
Exp2
y
x
103x
Munka2
x
log10 y
y
y
10
100
1000
10000
1
0.1
0.01
0.001
0.0001
z
Munka4
x
-30.1251.125-0.8750.250.0625-0.1258
-2.90.13397168281.1339716828-0.86602831720.26794336560.0669858414-0.13397168287.4642639323
-2.80.14358729441.1435872944-0.85641270560.28717458870.0717936472-0.14358729446.9644045064
-2.70.15389305171.1538930517-0.84610694830.30778610330.0769465258-0.15389305176.4980191708
-2.60.16493848881.1649384888-0.83506151120.32987697770.0824692444-0.16493848886.062866266
-2.50.17677669531.1767766953-0.82322330470.35355339060.0883883476-0.17677669535.6568542495
-2.40.18946457081.1894645708-0.81053542920.37892914160.0947322854-0.18946457085.2780316431
-2.30.20306309911.2030630991-0.79693690090.40612619820.1015315495-0.20306309914.9245776534
-2.20.21763764081.2176376408-0.78236235920.43527528160.1088188204-0.21763764084.59479342
-2.10.23325824791.2332582479-0.76674175210.46651649580.1166291239-0.23325824794.2870938501
-20.251.25-0.750.50.125-0.254
-1.90.26794336561.2679433656-0.73205663440.53588673130.1339716828-0.26794336563.7321319661
-1.80.28717458871.2871745887-0.71282541130.57434917750.1435872944-0.28717458873.4822022532
-1.70.30778610331.3077861033-0.69221389670.61557220670.1538930517-0.30778610333.2490095854
-1.60.32987697771.3298769777-0.67012302230.65975395540.1649384888-0.32987697773.031433133
-1.50.35355339061.3535533906-0.64644660940.70710678120.1767766953-0.35355339062.8284271247
-1.40.37892914161.3789291416-0.62107085840.75785828330.1894645708-0.37892914162.6390158215
-1.30.40612619821.4061261982-0.59387380180.81225239640.2030630991-0.40612619822.4622888267
-1.20.43527528161.4352752816-0.56472471840.87055056330.2176376408-0.43527528162.29739671
-1.10.46651649581.4665164958-0.53348350420.93303299150.2332582479-0.46651649582.1435469251
-10.51.5-0.510.25-0.52
-0.90.53588673131.5358867313-0.46411326871.07177346250.2679433656-0.53588673131.8660659831
-0.80.57434917751.5743491775-0.42565082251.1486983550.2871745887-0.57434917751.7411011266
-0.70.61557220671.6155722067-0.38442779331.23114441330.3077861033-0.61557220671.6245047927
-0.60.65975395541.6597539554-0.34024604461.31950791080.3298769777-0.65975395541.5157165665
-0.50.70710678121.7071067812-0.29289321881.41421356240.3535533906-0.70710678121.4142135624
-0.40.75785828331.7578582833-0.24214171671.51571656650.3789291416-0.75785828331.3195079108
-0.30.81225239641.8122523964-0.18774760361.62450479270.4061261982-0.81225239641.2311444133
-0.20.87055056331.8705505633-0.12944943671.74110112660.4352752816-0.87055056331.148698355
-0.10.93303299151.9330329915-0.06696700851.86606598310.4665164958-0.93303299151.0717734625
-0.090.93952274921.9395227492-0.06047725081.87904549840.4697613746-0.93952274921.0643701825
-0.080.94605764671.9460576467-0.05394235331.89211529350.4730288234-0.94605764671.0570180406
-0.070.9526379981.952637998-0.0473620021.90527599610.476318999-0.9526379981.0497166836
-0.060.95926411931.9592641193-0.04073588071.91852823870.4796320597-0.95926411931.0424657608
-0.050.96593632891.9659363289-0.03406367111.93187265780.4829681645-0.96593632891.0352649238
-0.040.97265494741.9726549474-0.02734505261.94530989480.4863274737-0.97265494741.0281138267
-0.030.97942029761.9794202976-0.02057970241.95884059520.4897101488-0.97942029761.0210121257
-0.020.98623270451.9862327045-0.01376729551.9724654090.4931163522-0.98623270451.0139594798
-0.010.99309249541.9930924954-0.00690750461.98618499090.4965462477-0.99309249541.0069555501
012020.5-11
0.011.00695555012.00695555010.00695555012.01391110010.503477775-1.00695555010.9930924954
0.021.01395947982.01395947980.01395947982.02791895960.5069797399-1.01395947980.9862327045
0.031.02101212572.02101212570.02101212572.04202425140.5105060629-1.02101212570.9794202976
0.041.02811382672.02811382670.02811382672.05622765330.5140569133-1.02811382670.9726549474
0.051.03526492382.03526492380.03526492382.07052984770.5176324619-1.03526492380.9659363289
0.061.04246576082.04246576080.04246576082.08493152170.5212328804-1.04246576080.9592641193
0.071.04971668362.04971668360.04971668362.09943336720.5248583418-1.04971668360.952637998
0.081.05701804062.05701804060.05701804062.11403608110.5285090203-1.05701804060.9460576467
0.091.06437018252.06437018250.06437018252.12874036490.5321850912-1.06437018250.9395227492
0.11.07177346252.07177346250.07177346252.14354692510.5358867313-1.07177346250.9330329915
0.21.1486983552.1486983550.1486983552.297396710.5743491775-1.1486983550.8705505633
0.31.23114441332.23114441330.23114441332.46228882670.6155722067-1.23114441330.8122523964
0.41.31950791082.31950791080.31950791082.63901582150.6597539554-1.31950791080.7578582833
0.51.41421356242.41421356240.41421356242.82842712470.7071067812-1.41421356240.7071067812
0.61.51571656652.51571656650.51571656653.0314331330.7578582833-1.51571656650.6597539554
0.71.62450479272.62450479270.62450479273.24900958540.8122523964-1.62450479270.6155722067
0.81.74110112662.74110112660.74110112663.48220225320.8705505633-1.74110112660.5743491775
0.91.86606598312.86606598310.86606598313.73213196610.9330329915-1.86606598310.5358867313
123141-20.5
1.12.14354692513.14354692511.14354692514.28709385011.0717734625-2.14354692510.4665164958
1.22.297396713.297396711.297396714.594793421.148698355-2.297396710.4352752816
1.32.46228882673.46228882671.46228882674.92457765341.2311444133-2.46228882670.4061261982
1.42.63901582153.63901582151.63901582155.27803164311.3195079108-2.63901582150.3789291416
1.52.82842712473.82842712471.82842712475.65685424951.4142135624-2.82842712470.3535533906
1.63.0314331334.0314331332.0314331336.0628662661.5157165665-3.0314331330.3298769777
1.73.24900958544.24900958542.24900958546.49801917081.6245047927-3.24900958540.3077861033
1.83.48220225324.48220225322.48220225326.96440450641.7411011266-3.48220225320.2871745887
1.93.73213196614.73213196612.73213196617.46426393231.8660659831-3.73213196610.2679433656
245382-40.25
2.14.28709385015.28709385013.28709385018.57418770032.1435469251-4.28709385010.2332582479
2.24.594793425.594793423.594793429.189586842.29739671-4.594793420.2176376408
2.34.92457765345.92457765343.92457765349.84915530682.4622888267-4.92457765340.2030630991
2.45.27803164316.27803164314.278031643110.55606328622.6390158215-5.27803164310.1894645708
2.55.65685424956.65685424954.656854249511.3137084992.8284271247-5.65685424950.1767766953
2.66.0628662667.0628662665.06286626612.12573253213.031433133-6.0628662660.1649384888
2.76.49801917087.49801917085.498019170812.99603834173.2490095854-6.49801917080.1538930517
2.86.96440450647.96440450645.964404506413.92880901273.4822022532-6.96440450640.1435872944
2.97.46426393238.46426393236.464263932314.92852786463.7321319661-7.46426393230.1339716828
3897164-80.125
3.18.57418770039.57418770037.574187700317.14837540064.2870938501-8.57418770030.1166291239
3.29.1895868410.189586848.1895868418.379173684.59479342-9.189586840.1088188204
3.39.849155306810.84915530688.849155306819.69831061354.9245776534-9.84915530680.1015315495
3.410.556063286211.55606328629.556063286221.11212657245.2780316431-10.55606328620.0947322854
3.511.31370849912.31370849910.31370849922.6274169985.6568542495-11.3137084990.0883883476
3.612.125732532113.125732532111.125732532124.25146506426.062866266-12.12573253210.0824692444
3.712.996038341713.996038341711.996038341725.99207668346.4980191708-12.99603834170.0769465258
3.813.928809012714.928809012712.928809012727.85761802556.9644045064-13.92880901270.0717936472
3.914.928527864615.928527864613.928527864629.85705572927.4642639323-14.92852786460.0669858414
4161715328-160.0625
1/32
Munka4
2x
2x+1
2x-1
2x
2x +1
2x -1
Munka3
2x
2x+1
2x-1
2x
2x +1
2x -1
2x
-2x
2x
2-x
2x
2x +1
yzxlog10 x
1610
20.3010
30.4771
40.6021
50.6990
60.7782
70.8451
480.9031
8390.9542
2101
1
0
4-1
-2
2-3
1-4
0-5
log10 x
xsin x2 sin x(sin x )/2sin 2xsin (x/2)
000000
0.020.01999866670.03999733340.00999933330.03998933420.0099998333
0.040.03998933420.07997866840.01999466710.0799146940.0199986667
0.060.05996400650.1199280130.02998200320.11971220730.0299955002
0.080.0799146940.15982938790.0399573470.15931820660.0399893342
0.10.09983341660.19966683330.04991670830.19866933080.0499791693
0.120.11971220730.23942441460.05985610360.23770262640.0599640065
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0.160.15931820660.31863641320.07965910330.31456656060.079914694
0.180.17902957340.35805914690.08951478670.35227423330.0898785492
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0.240.23770262640.47540525290.11885131320.46177917550.1197122073
0.260.25708055190.51416110380.12854027590.49688013780.1296341426
0.280.27635564860.55271129710.13817782430.53118619790.1395431146
0.30.29552020670.59104041330.14776010330.56464247340.1494381325
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0.520.49688013780.99376027570.24844006890.86240422720.2570805519
0.540.51413599171.02827198330.25706799580.88195780690.2667314367
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0.780.70327941921.40655883840.35163970960.99994172020.3801884151
0.80.71735609091.43471218180.35867804540.9995736030.3894183423
0.820.73114582971.46229165950.36557291490.99760638130.398609328
0.840.744643121.48928623990.372321560.99404320220.4077604531
0.860.75784256291.51568512580.37892128140.9888897660.4168708024
0.880.77073887891.54147775780.38536943940.98215431710.4259394651
0.90.78332690961.56665381930.39166345480.97384763090.4349655341
0.920.795601621.59120324010.397800810.96398299620.443948107
0.940.80755810041.61511620080.40377905020.95257619430.4528862854
0.960.81919156831.63838313660.40959578420.93964547370.4617791755
0.980.83049737051.6609947410.41524868520.92521152080.4706258882
10.84147098481.68294196960.42073549240.90929742680.4794255386
1.020.85210802191.70421604390.4260540110.8919286510.4881772469
1.040.86240422721.72480845450.43120211360.87313297950.4968801378
1.060.87235548231.74471096470.43617774120.85294048160.5055333412
1.080.88195780691.76391561380.44097890340.83138346080.5141359917
1.10.89120736011.78241472010.445603680.80849640380.5226872289
1.120.90010044221.80020088440.45005022110.78431592510.5311861979
1.140.90863349611.81726699220.45431674810.75888070820.5396320487
1.160.91680310881.83360621750.45840155440.7322314440.5480239368
1.180.92460601241.84921202480.46230300620.70441076580.5563610229
1.20.9320390861.86407817190.4660195430.67546318060.5646424734
1.220.93909935631.87819871260.46954967820.64543499830.5728674601
1.240.94578399941.89156799890.47289199970.61437425780.5810351605
1.260.95209034161.90418068320.47604517080.58233064950.5891447579
1.280.95801586031.91603172060.47900793010.54935543640.5971954414
1.30.96355818541.92711637080.48177909270.51550137180.6051864057
1.320.96871510011.93743020020.48435755010.4808226150.613116852
1.340.97348454171.94696908340.48674227080.44537464450.620985987
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1.380.98185353041.96370706070.49092676520.37239903940.6365371822
1.40.985449731.970899460.4927248650.33498815020.6442176872
1.420.98865176291.97730352570.49432588140.29704135130.651833771
1.440.99145834821.98291669640.49572917410.25861934970.659384672
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1.480.99588084451.99176168910.49794042230.18059626790.6742879116
1.50.99749498661.99498997320.49874749330.14112000810.68163876
1.520.9987101441.9974202880.4993550720.10141798630.6889214451
1.540.99952583061.99905166120.49976291530.06155371740.6961352386
1.560.99994172021.99988344050.49997086010.02159097570.7032794192
1.580.99995764651.9999152930.4999788232-0.01840630690.7103532724
1.60.9995736031.99914720610.4997868015-0.05837414340.7173560909
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1.720.9888897661.9777795320.494444883-0.29399831240.7578425629
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1.820.96910912891.93821825780.4845545644-0.47802724610.7895037397
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1.860.95847128311.91694256620.4792356415-0.54669104710.8016199409
1.880.95257619431.90515238850.4762880971-0.57973819770.8075581004
1.90.94630008771.89260017540.4731500438-0.61185789090.8134155048
1.920.93964547371.87929094740.4698227368-0.64299874210.8191915683
1.940.9326150141.8652300280.466307507-0.67311093230.8248857133
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1.980.91743795531.83487591060.4587189776-0.73005836080.8360259786
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2.020.90079319151.8015863830.4503965958-0.78233590720.8468318446
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2.20.80849640381.61699280760.4042482019-0.95160207390.8912073601
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3.98-0.7435791389-1.4871582779-0.37178956950.9943853150.9134133613
4-0.7568024953-1.5136049906-0.37840124770.98935824660.9092974268
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4.26-0.8994054097-1.7988108194-0.44970270480.78628798510.8476778401
4.28-0.9079672606-1.8159345212-0.45398363030.76095122130.8423304316
4.3-0.9161659367-1.8323318735-0.45808296840.73439709790.8368987908
4.32-0.9239981587-1.8479963174-0.46199907940.70666809570.8313834608
4.34-0.9314607938-1.8629215875-0.46573039690.67780857540.8257849931
4.36-0.9385508569-1.8771017138-0.46927542840.64786470590.8201039476
4.38-0.9452655122-1.8905310244-0.47263275610.61688439110.8143408924
4.4-0.9516020739-1.9032041478-0.47580103690.58491719290.8084964038
4.42-0.9575580074-1.9151160149-0.47877900370.55201425190.8025710662
4.44-0.9631309306-1.9262618611-0.48156546530.51822820590.7965654722
4.46-0.9683186142-1.9366372283-0.48415930710.48361310530.7904802223
4.48-0.9731189832-1.9462379665-0.48655949160.44822432690.7843159251
4.5-0.9775301177-1.9550602353-0.48876505880.41211848520.7780731969
4.52-0.9815502531-1.9631005062-0.49077512650.37535334190.771752662
4.54-0.9851777815-1.970355563-0.49258889080.33798771320.7653549525
4.56-0.9884112519-1.9768225039-0.4942056260.30008137640.7588807082
4.58-0.9912493711-1.9824987421-0.49562468550.26169497330.7523305764
4.6-0.9936910036-1.9873820073-0.49684550180.22288991410.7457052122
4.62-0.9957351731-1.9914703461-0.49786758650.18372827860.7390052781
4.64-0.9973810617-1.9947621234-0.49869053080.1442727170.732231444
4.66-0.9986280112-1.9972560224-0.49931400560.10458634990.7253843875
4.68-0.9994755228-1.9989510457-0.49973776140.06473266690.7184647931
4.7-0.9999232576-1.9998465151-0.49996162880.02477542550.7114733528
4.72-0.9999710363-1.9999420727-0.4999855182-0.01522145140.7044107658
4.74-0.99961884-1.99923768-0.49980942-0.05519397720.6972777383
4.76-0.9988668095-1.997733619-0.4994334047-0.09507820430.6900749836
4.78-0.9977152456-1.9954304911-0.4988576228-0.13481032670.6828032219
4.8-0.9961646088-1.9923292177-0.4980823044-0.17432678120.6754631806
4.82-0.9942155195-1.9884310391-0.4971077598-0.21356435010.6680555934
4.84-0.9918687573-1.9837375146-0.4959343787-0.25246026160.6605812013
4.86-0.9891252608-1.9782505216-0.4945626304-0.29095229060.6530407516
4.88-0.9859861274-1.9719722547-0.4929930637-0.32897885790.6454349983
4.9-0.9824526126-1.9649052252-0.4912263063-0.36647912930.6377647021
4.92-0.9785261299-1.9570522599-0.489263065-0.40339311220.63003063
4.94-0.9742082499-1.9484164997-0.4871041249-0.43966175220.6222335553
4.96-0.9695006995-1.9390013989-0.4847503497-0.47522702710.6143742578
4.98-0.9644053617-1.9288107234-0.4822026809-0.51003204020.6064535234
5-0.9589242747-1.9178485493-0.4794621373-0.54402111090.5984721441
5.02-0.9530596307-1.9061192614-0.4765298154-0.57713986380.5904309181
5.04-0.9468137756-1.8936275512-0.4734068878-0.60933531610.5823306495
5.06-0.9401892076-1.8803784152-0.4700946038-0.64055596180.5741721484
5.08-0.9331885765-1.8663771529-0.4665942882-0.67075185460.5659562304
5.1-0.9258146823-1.8516293647-0.4629073412-0.69987468760.5576837174
5.12-0.9180704747-1.8361409493-0.4590352373-0.72787787030.5493554364
5.14-0.9099590511-1.8199181021-0.4549795255-0.75471660380.5409722204
5.16-0.901483656-1.8029673119-0.450741828-0.78034795170.5325349076
5.18-0.8926476794-1.7852953589-0.4463238397-0.80473090930.5240443417
5.2-0.8834546557-1.7669093114-0.4417273279-0.82782646910.5155013718
5.22-0.8739082619-1.7478165239-0.436954131-0.84959768320.5069068522
5.24-0.8640123165-1.728024633-0.4320061582-0.87000972220.4982616424
5.26-0.8537707776-1.7075415553-0.4268853888-0.88902993120.4895666068
5.28-0.8431877419-1.6863754837-0.4215938709-0.9066278820.480822615
5.3-0.8322674422-1.6645348844-0.4161337211-0.92277542160.4720305413
5.32-0.8210142467-1.6420284934-0.4105071234-0.93744671740.4631912649
5.34-0.8094326564-1.6188653129-0.4047163282-0.95061829840.4543056698
5.36-0.7975273039-1.5950546078-0.398763652-0.96226909290.4453746445
5.38-0.7853029511-1.5706059022-0.3926514755-0.97238046210.4363990822
5.4-0.7727644876-1.5455289751-0.3863822438-0.98093623010.4273798802
5.42-0.7599169285-1.5198338571-0.3799584643-0.98792270930.4183179407
5.44-0.7467654129-1.4935308257-0.3733827064-0.99332872290.4092141697
5.46-0.733315201-1.466630402-0.3666576005-0.99714562250.4000694776
5.48-0.7195716728-1.4391433456-0.3597858364-0.99936730180.3908847789
5.5-0.7055403256-1.4110806511-0.3527701628-0.99999020660.3816609921
5.52-0.6912267716-1.3824535432-0.3456133858-0.99901334030.3723990394
5.54-0.6766367361-1.3532734723-0.3383183681-0.99643826590.3630998472
5.56-0.661776055-1.32355211-0.3308880275-0.99226910280.3537643453
5.58-0.6466506723-1.2933013445-0.3233253361-0.98651252070.3443934673
5.6-0.6312666379-1.2625332757-0.3156333189-0.97917772920.3349881502
5.62-0.6156301053-1.2312602105-0.3078150526-0.97027646210.3255493345
5.64-0.5997473288-1.1994946576-0.2998736644-0.95982295960.3160779642
5.66-0.5836246614-1.1672493228-0.2918123307-0.94783394520.3065749864
5.68-0.5672685519-1.1345371039-0.283634276-0.93432859870.2970413513
5.7-0.5506855426-1.1013710852-0.2753427713-0.91932852570.2874780123
5.72-0.5338822664-1.0677645328-0.2669411332-0.90285772310.2778859258
5.74-0.5168654444-1.0337308888-0.2584327222-0.88494254090.2682660509
5.76-0.4996418831-0.9992837662-0.2498209416-0.86561163930.2586193497
5.78-0.4822184717-0.9644369435-0.2411092359-0.84489594380.2489467867
5.8-0.4646021794-0.9292043588-0.2323010897-0.8228285950.2392493292
5.82-0.4468000524-0.8936001048-0.2234000262-0.79944489590.229527947
5.84-0.4288192113-0.8576384227-0.2144096057-0.77478225560.2197836122
5.86-0.4106668483-0.8213336966-0.2053334241-0.7488801290.2100172993
5.88-0.392350224-0.784700448-0.196175112-0.72177995380.2002299847
5.9-0.3738766648-0.7477533297-0.1869383324-0.69352508480.1904226474
5.92-0.35525356-0.71050712-0.17762678-0.66416072350.1805962679
5.94-0.3364883585-0.6729767169-0.1682441792-0.63373384680.170751829
5.96-0.3175885661-0.6351771321-0.158794283-0.60229313110.160890315
5.98-0.2985617425-0.597123485-0.1492808712-0.56988887490.1510127121
6-0.2794154982-0.5588309964-0.1397077491-0.5365729180.1411200081
6.02-0.2601574914-0.5203149829-0.1300787457-0.50239855890.1312131922
6.04-0.2407954251-0.4815908503-0.1203977126-0.46742046940.121293255
6.06-0.2213370439-0.4426740878-0.1106685219-0.43169460670.1113611887
6.08-0.2017901308-0.4035802615-0.1008950654-0.39527812480.1014179863
6.1-0.1821625043-0.3643250085-0.0910812521-0.35822928220.0914646422
6.12-0.1624620152-0.3249240304-0.0812310076-0.32060734920.0815021518
6.14-0.1426965435-0.285393087-0.0713482718-0.28247251280.0715315111
6.16-0.1228739951-0.2457479902-0.0614369976-0.24388578070.0615537174
6.18-0.1030022987-0.2060045975-0.0515011494-0.20490888330.0515697684
6.2-0.0830894028-0.1661788056-0.0415447014-0.16560417540.0415806624
6.22-0.0631432722-0.1262865445-0.0315716361-0.12603453620.0315873984
6.24-0.0431718852-0.0863437704-0.0215859426-0.08626326860.0215909757
6.26-0.02318323-0.04636646-0.011591615-0.04635399820.0115923939
6.28-0.0031853018-0.0063706036-0.0015926509-0.00637057130.0015926529
6.30.01681390050.0336278010.00840695020.0336230472-0.0084072474
6.320.03680637740.07361275490.01840318870.073562876-0.0184063069
6.340.05678413230.11356826460.02839206620.1133850199-0.0284035259
6.360.07673917430.15347834860.03836958710.1530257719-0.0383979045
6.380.09666352160.19332704330.04833176080.1924217154-0.0483884434
6.40.11654920490.23309840970.05827460240.2315098251-0.0583741434
6.420.13638826990.27277653990.0681941350.2702275685-0.0683540061
6.440.15617278150.31234556310.07808639080.3085130055-0.0783270335
6.460.17589482610.35178965220.08794741310.3463048874-0.0882922282
6.480.19554651510.39109303020.09777325760.3835427554-0.0982485937
6.50.21511998810.43023997620.1075599940.4201670368-0.1081951345
6.520.23460741590.46921483190.1173037080.4561191406-0.1181308559
6.540.2540010040.50800200790.1270005020.4913415511-0.1280547643
6.560.2732929950.546585990.13664649750.5257779199-0.1379658673
6.580.29247567240.58495134490.14623783620.5593731561-0.1478631738
6.60.31154136350.6230827270.15577068180.5920735147-0.1577456941
6.620.33048244220.66096488440.16524122110.6238266819-0.16761244
6.640.34929133230.69858266470.17464566620.6545818596-0.1774624248
6.660.36796051060.73592102110.18398025530.6842898458-0.1872946635
6.680.38648250950.7729650190.19324125480.7129031144-0.1971081729
6.70.40484992060.80969984120.20242496030.74037589-0.2069019717
6.720.42305539710.84611079430.21152769860.7666642221-0.2166750804
6.740.44109165720.88218331430.22054582860.791726055-0.2264265218
6.760.45895148640.91790297280.22947574320.8155212951-0.2361553207
6.780.47662774110.95325548230.23831387060.8380118751-0.2458605043
6.80.49411335110.98822670230.24705667560.8591618149-0.255541102
6.820.51140132241.02280264480.25570066120.878937279-0.2651961459
6.840.52848473991.05696947990.264242370.897306631-0.2748246703
6.860.54535677061.09071354130.27267838530.9142404838-0.2844257125
6.880.56201066591.12402133180.2810053330.9297117469-0.2939983124
6.90.57843976441.15687952880.28921988220.9436956694-0.3035415127
6.920.59463749471.18927498940.29731874730.9561698803-0.3130543591
6.940.61059737791.22119475580.3052986890.9671144233-0.3225359003
6.960.62631303031.25262606060.31315651520.9765117895-0.3319851882
6.980.64177816591.28355633170.32088908290.9843469452-0.3414012779
70.65698659871.31397319740.32849329940.9906073557-0.3507832277
sin x
2 sin x
(sin x )/2
sin x
sin 2x
sin (x/2)
-
Logarithmic papers*Semilogarithmic paperlog-log paper
Biostat 3.
Krisztina Boda Krisztina Boda
Reciprocal relationship ->take reciprocal of xModel: y=a +b/xy=a +b*1/xso y is linear in 1/x*
adatok
Nameretailtheatermathlanguage
Pat5130525550
Sue5560515535
Inez5890510535
Amie6350495520-0.2157385322
Gene85304304550.7413007121
Bob9590400420
Joe1608004100.9989149375
-0.258397254
adatok
0
0
0
0
0
0
0
math
math score
theater
nemlineris
0
0
0
0
0
0
math
math score
theater
transzformcik
0
0
0
0
0
0
0
math
math score
language
0
0
0
0
0
0
0
math
math score
language
0
0
0
0
0
0
math
math score
retailing
xy
-3-0.1411200081
-2.8-0.3349881502
-2.6-0.5155013718
-2.4-0.6754631806
-2.2-0.8084964038
-2-0.9092974268
-1.8-0.9738476309
-1.6-0.999573603
-1.4-0.98544973
-1.2-0.932039086
-1-0.8414709848
-0.8-0.7173560909
-0.6-0.5646424734
-0.4-0.3894183423
-0.2-0.1986693308
00
0.20.1986693308
0.40.3894183423
0.60.5646424734
0.80.7173560909
10.8414709848
1.20.932039086
1.40.98544973
1.60.999573603
1.80.97384763090.7964355021
20.9092974268
2.20.80849640380.1574204489
2.40.6754631806
2.60.5155013718
2.80.3349881502
30.1411200081
0
0.1986693308
0.3894183423
0.5646424734
0.7173560909
0.8414709848
0.932039086
0.98544973
0.999573603
0.9738476309
0.9092974268
0.8084964038
0.6754631806
0.5155013718
0.3349881502