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. SubgroupNumberSubgroupNumberR120.350.341420.410.36220.400.361520.450.34320.360.321620.340.36420.650.361720.360.37520.200.361820.420.73620.400.351920.500.38720.430.312020.310.3520.3920.39820.370.34210.38920.480.30220.331020.420.372320.400.321120.390.292420.410.341220.380.302520.400.301320.400.33

First obtain the average of subgroup averages and it's range. Sub-Group X-Bar R 1 20.5 0.34 2…

Answered: Control charts for and R are to be…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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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.

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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