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The following data give the measurements of the axles of bicycle wheels. 12 samples vere taken so thát each sample contains the measurements of 4 axles. The measurement which were more than 5 inches are given here. Obtain trial control limits forx and R charts and comment whether the process is under control or not. 139 140 142 136 145 146 148 145 140 140 141 138 140 142 136 137 146 148 145 146 139 140 137 140 145 142 143 142 146 149 146 147 144 139 141 141 139 142 144 142 146 144 146 144 [For n = 4, A, = 0.73, 138 139 139 138 D3 = 0, D4= 2.28]

The following data give the measurements of the axles of bicycle wheels. 12 samples vere taken so thát each sample contains the measurements of 4 axles. The measurement which were more than 5 inches are given here. Obtain trial control limits forx and R charts and comment whether the process is under control or not. 139 140 142 136 145 146 148 145 140 140 141 138 140 142 136 137 146 148 145 146 139 140 137 140 145 142 143 142 146 149 146 147 144 139 141 141 139 142 144 142 146 144 146 144 [For n = 4, A, = 0.73, 138 139 139 138 D3 = 0, D4= 2.28]

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The following data give the measurements of the axles of bicycle wheels. 12 samples vere taken so thát each sample contains the measurements of 4 axles. The measurement which were more than 5 inches are given here. Obtain trial control limits forx and R charts and comment whether the process is under control or not. 139 140 142 136 145 146 148 145 140 140 141 138 140 142 136 137 146 148 145 146 139 140 137 140 145 142 143 142 146 149 146 147 144 139 141 141 139 142 144 142 146 144 146 144 [For n = 4, A, = 0.73, 138 139 139 138 D3 = 0, D4= 2.28]
Transcribed Image Text:The following data give the measurements of the axles of bicycle wheels. 12 samples vere taken so thát each sample contains the measurements of 4 axles. The measurement which were more than 5 inches are given here. Obtain trial control limits forx and R charts and comment whether the process is under control or not. 139 140 142 136 145 146 148 145 140 140 141 138 140 142 136 137 146 148 145 146 139 140 137 140 145 142 143 142 146 149 146 147 144 139 141 141 139 142 144 142 146 144 146 144 [For n = 4, A, = 0.73, 138 139 139 138 D3 = 0, D4= 2.28]
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