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Observations Samples 1 3 4 1 10 10 9 12 11 11 10 13 10 10 10 10 11 10 10 12 10 11 10 10 10 8 12 7 10 11 10 8 13 10 8 10 8 9. 8 12 12 10 10 12 8 12 2. 3. 4.

Observations Samples 1 3 4 1 10 10 9 12 11 11 10 13 10 10 10 10 11 10 10 12 10 11 10 10 10 8 12 7 10 11 10 8 13 10 8 10 8 9. 8 12 12 10 10 12 8 12 2. 3. 4.

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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A process considered to be in control measures an ingredient in ounces. A quality inspector took 10 samples, each with 5 observations as follows: 

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Using this information, obtain three-sigma (i.e., z=3) control limits for a mean control chart and control limits for a range chart, respectively. It is known from previous experience that the standard deviation of
the process is 1.36.

 

Observations Samples 1 3 1 10 10 12 2 9 11 11 10 3 13 10 10 10 10 11 10 10 12 10 11 10 10 10 12 10 11 10 8 8 13 10 10 9 8 8 12 12 10 10 12 9 8 12 4. 9. 2. 4 67
Transcribed Image Text:Observations Samples 1 3 1 10 10 12 2 9 11 11 10 3 13 10 10 10 10 11 10 10 12 10 11 10 10 10 12 10 11 10 8 8 13 10 10 9 8 8 12 12 10 10 12 9 8 12 4. 9. 2. 4 67
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