Control charts for and R are to be established on a certain dimension part, measured in millimeters. Data were collected in subgroup sizes of 6 and are given below. Determine the trial central line and control limits. Assume assignable causes and revise the central line and limits.
Control charts for and R are to be established on a certain dimension part, measured in millimeters. Data were collected in subgroup sizes of 6 and are given below. Determine the trial central line and control limits. Assume assignable causes and revise the central line and limits.
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Control charts for and R are to be established on a certain dimension part, measured in millimeters. Data were collected in subgroup sizes of 6 and are given below. Determine the trial central line and control limits. Assume assignable causes and revise the central line and limits.

Transcribed Image Text:Subgroup
Number
Subgroup
Number
R
1
20.35
0.34
14
20.41
0.36
2
20.40
0.36
15
20.45
0.34
3
20.36
0.32
16
20.34
0.36
4
20.65
0.36
17
20.36
0.37
5
20.20
0.36
18
20.42
0.73
6
20.40
0.35
19
20.50
0.38
7
20.43
0.31
20
20.31
0.35
20.39
20.39
8
20.37
0.34
21
0.38
9
20.48
0.30
22
0.33
10
20.42
0.37
23
20.40
0.32
11
20.39
0.29
24
20.41
0.34
12
20.38
0.30
25
20.40
0.30
13
20.40
0.33
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