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uvol D SAMPLE NUMBER 1 2 4 7 8 9 10 SAMPLE AVERAGE 55 47 49 50 52 57 55 48 51 56 SAMPLE RANGE 3 1 5 3 3. 2. 2. 6. 2. 3. 3.

uvol D SAMPLE NUMBER 1 2 4 7 8 9 10 SAMPLE AVERAGE 55 47 49 50 52 57 55 48 51 56 SAMPLE RANGE 3 1 5 3 3. 2. 2. 6. 2. 3. 3.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Your supervisor, Lisa Lehmann, has asked that you report on the output of a machine on the factory floor. This machine is supposed to be producing optical lenses with a mean
weight of 50 grams and a range of 3.5 grams. The following table contains the data for a sample size of n = 6 taken during the past 3 hours:                                                                                                                                                                                                                                                          a) What are the :X-chart control limits when the machine is working properly?
b) What are the R-charL control limits when the machine is working properly?
c) What seems to be happening? (Hint: Graph the data points. Run charts may be helpful.)                                                                                                                                                                      
uvol D SAMPLE NUMBER 1 2 4 7 8 9 10 SAMPLE AVERAGE 55 47 49 50 52 57 55 48 51 56 SAMPLE RANGE 3 1 5 3 3. 2. 2. 6. 2. 3. 3.
Transcribed Image Text:uvol D SAMPLE NUMBER 1 2 4 7 8 9 10 SAMPLE AVERAGE 55 47 49 50 52 57 55 48 51 56 SAMPLE RANGE 3 1 5 3 3. 2. 2. 6. 2. 3. 3.
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