For the given​ data, the x ​= enter your response here inches ​(round your response to four decimal​ places

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Twelve​ samples, each containing five​ parts, were taken from a process that produces steel rods at Emmanual​ Kodzi's factory. The length of each rod in the samples was determined. The results were tabulated and sample means and ranges were computed. The results​ were:
                                                                                                                            
Sample
Sample Mean​(in.)
Range​ (in.)
Sample
Sample Mean​ (in.)
Range​ (in.)
1
9.402
0.033
7
9.401
0.041
2
9.404
0.041
8
9.407
0.034
3
9.391
0.034
9
9.393
0.027
4
9.406
0.051
10
9.401
0.029
5
9.397
0.031
11
9.403
0.039
6
9.399
0.036
12
9.404
0.047
Part 2
For the given​ data, the
x
​=
enter your response here
inches ​(round your response to four decimal​ places).
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Follow-up Questions
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Follow-up Question

Lower Control Limit

​(LCLR​)

​=

enter your response here

inches ​(round your response to four decimal​ places).

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Follow-up Question
he control limits for the
​3-sigma
​ R-chart are:
Part 8
Upper Control Limit
​(UCLR​)
​=
enter your response here
inches ​(round your response to four decimal​ places).
Solution
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Follow-up Question

For the given​ data, the

R

​=

enter your response here

inches ​(round your response to four decimal​ places).

Solution
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Follow-up Question
Based on the sampling​ done,
the
control limits for ​3-sigma
x
chart​ are:
 
Upper Control Limit
​(UCLx​)
​=
enter your response here
inches ​(round your response to four decimal​ places).
 
Lower Control Limit
​(LCLx​)
​=
enter your response here
inches ​(round your response to three decimal​ places).
Solution
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