candy capability dr. ron tibben-lembke. lotta candy
Post on 19-Dec-2015
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TRANSCRIPT
Packaged Goods
What are the Tolerance Levels? What we have to do to measure
capability? What are the sources of variability?
Production Process
Make Candy
Package Put in big bagsMake Candy
Make Candy
Make Candy
Make Candy
Make Candy
Mix
Mix %
Candy irregularity
Wrong wt. Wrong wt.
Processes Involved
Candy Manufacturing: Are M&Ms uniform size & weight? Should be easier with plain than peanut Percentage of broken items (probably from printing)
Mixing: Is proper color mix in each bag?
Individual packages: Are same # put in each package? Is same weight put in each package?
Large bags: Are same number of packages put in each bag? Is same weight put in each bag?
Your Job
Write down package # Weigh package and candies, all together, in
grams and ounces Write down weights on form
Optional: Open package, count total # candies Count # of each color Write down Eat candies
Turn in form and empty complete wrappers for weighing
The effects of rounding
17.00
18.00
19.00
20.00
21.00
22.00
23.00
24.00
25.00
14.5 15.0 15.5 16.0 16.5 17.0 17.5 18.0 18.5 19.0 19.5 20.0 20.5 21.0 21.5 22.0 22.5
Original Weight in grams
Ro
un
de
d W
eig
ht
- g
ram
s
0.50
0.60
0.70
0.80
Ro
un
de
d W
eig
ht
- O
un
ce
s
g - rounded
oz - rounded 0.7 Ounces
20 grams
0.6 Ounces
19 grams
18 grams
21 grams
Peanut Color Mix
website
Brown 17.7% 20% Yellow 8.2% 20% Red 9.5% 20% Blue 15.4% 20% Orange 26.4% 10% Green 22.7% 10%
Class website Brown 12.1% 30% Yellow 14.7% 20% Red 11.4% 20% Blue 19.5% 10% Orange 21.2% 10% Green 21.2% 10%
Plain Color Mix
So who cares?
Dept. of Commerce National Institutes of Standards & Technology NIST Handbook 133 Fair Packaging and Labeling Act
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