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 10.802 0.044 7 10.803 0.021 2 10.800 0.051 8 10.807 0.058 3 10.791 0.042 9 10.793 0.039 4 10.808 0.037 10 10.803 0.038 5 10.797 0.048 11 10.803 0.054 6 10.801 0.053 12 10.806 0.061 Part 2 For the given data, the x = enter your response here inches (round your response to four decimal places).
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 10.802 0.044 7 10.803 0.021 2 10.800 0.051 8 10.807 0.058 3 10.791 0.042 9 10.793 0.039 4 10.808 0.037 10 10.803 0.038 5 10.797 0.048 11 10.803 0.054 6 10.801 0.053 12 10.806 0.061 Part 2 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
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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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
|
10.802
|
0.044
|
7
|
10.803
|
0.021
|
|
2
|
10.800
|
0.051
|
8
|
10.807
|
0.058
|
|
3
|
10.791
|
0.042
|
9
|
10.793
|
0.039
|
|
4
|
10.808
|
0.037
|
10
|
10.803
|
0.038
|
|
5
|
10.797
|
0.048
|
11
|
10.803
|
0.054
|
|
6
|
10.801
|
0.053
|
12
|
10.806
|
0.061
|
Part 2
For the given data, the
x
=
enter your response here
inches (round your response to four decimal places).Expert Solution
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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).Solution
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