Candy Capability Dr. Ron Tibben-Lembke
Lotta Candy
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 PackagePut in big bags Make Candy Mix Mix % Candy irregularity 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
Peanut Color Mix website Brown 17.7%20% Yellow 8.2%20% Red 9.5%20% Blue15.4%20% Orange26.4%10% Green22.7%10%
Classwebsite Brown12.1%30% Yellow14.7%20% Red11.4%20% Blue19.5%10% Orange21.2%10% Green21.2%10% Plain Color Mix
So who cares? Dept. of Commerce National Institutes of Standards & Technology NIST Handbook 133 Fair Packaging and Labeling Act
Acceptable?
Package Weight “Not Labeled for Individual Retail Sale” If individual is 18g MAV is 10% = 1.8g Nothing can be below 18g – 1.8g = 16.2g