Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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Questions A and B in photos
Transcribed Image Text:(c) What is the AOQL of your plan, assuming a lot size
of 1000?
9.) Breeze Toothpaste Company makes tubes of toothpaste.
The product is produced and then pumped into tubes
and capped. The production manager is concerned
whether the filling process for the tubes of toothpaste is
in statistical control. The process should be centered on
6 ounces per tube. Six samples of five tubes were taken
and each tube was weighed. The weights are:
Transcribed Image Text:230 CHAPTER 6 • Statistical Quality Control
Ounces of Toothpaste per Tube
Sample
3.
4
5.78
6.34
6.24
5.23
6.12
21.
5.89
5.87
6.12
6.21
5.99
6.22
5.78
5.76
6.02
6.10
6.02
5.56
6.21
6.23
6.00
5.77
5.76
5.87
5.78
6.03
6.00
5.89
6.02
5.98
5.78
(a) Develop a control chart for the mean and range for
the available toothpaste data.
(b) Plot the observations on the control chart and
comment on your findings.
Breeze Toothpaste Company has been having a problem
1234 56
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