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Sampling 7 pieces of precision-cut wire (to be used in computer assembly) every hour for the past 6 hours has produced the following results:   HOUR x_bar R 1 3.25 0.71 2 7.5 1.18 3 3.22 1.43 4 3.39 7.26 5 3.07 1.17 6 2.86 3.5   Develop appropriate control limits and determine whether there is any cause for concern in the cutting process.

Sampling 7 pieces of precision-cut wire (to be used in computer assembly) every hour for the past 6 hours has produced the following results:   HOUR x_bar R 1 3.25 0.71 2 7.5 1.18 3 3.22 1.43 4 3.39 7.26 5 3.07 1.17 6 2.86 3.5   Develop appropriate control limits and determine whether there is any cause for concern in the cutting process.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Sampling 7 pieces of precision-cut wire (to be used in computer assembly) every hour for the past 6 hours has produced the following results:

 

HOUR

x_bar

R

1

3.25

0.71

2

7.5

1.18

3

3.22

1.43

4

3.39

7.26

5

3.07

1.17

6

2.86

3.5

 

Develop appropriate control limits and determine whether there is any cause for concern in the cutting process.

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