A process that is assumed to be in control with limits of 84 3 had sample averages for the x-bar chart of the following: 87.1, 87, 87.2, 89, 90, 88.5, 89.5, and 88. Which of the following statement below are correct? Select one: O a. Not enough information to determine O b. Process mean is out-of-control O c. Process mean is in-control d. None is correct
A process that is assumed to be in control with limits of 84 3 had sample averages for the x-bar chart of the following: 87.1, 87, 87.2, 89, 90, 88.5, 89.5, and 88. Which of the following statement below are correct? Select one: O a. Not enough information to determine O b. Process mean is out-of-control O c. Process mean is in-control d. None is correct
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Transcribed Image Text:A process that is assumed to be in control with limits of 84 + 3 had sample averages for the x-bar chart of the
following: 87.1, 87, 87.2, 89, 90, 88.5, 89.5, and 88. Which of the following statement below are correct?
Select one:
Oa. Not enough information to determine
Ob. Process mean is out-of-control
O c. Process mean is in-control
O d. None is correct
Next pag
Transcribed Image Text:Control Chart Table
Sample Size Factor for x-Chart
(n)
Factors for R-Chart
D3
A2
D4
2
1.88
0.00
3.27
1.02
0.00
2.57
0.73
0.00
2.28
0.58
0.00
2.11
6
0.48
0.00
2.00
7
0.42
0.08
1.92
8
0.37
0.14
1.86
9.
0.34
0.18
1.82
10
0.31
0.22
1.78
11
0.29
0.26
1.74
12
0.27
0.28
1.72
13
0.25
0.31
1.69
14
0.24
0.33
1.67
15
0.22
0.35
1.65
N M 4
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