Question: 6. A manufacturing process is monitored using x-bar and R charts. Ten samples of n=8 observations have been gathered with the following results. Using this
6. A manufacturing process is monitored using x-bar and R charts. Ten samples of n=8 observations have been gathered with the following results. Using this data to establish control charts, what is the upper control limit for the R chart?
Sample Mean Range
1 33.79. 7.162
2 27.27 7.751
3 33.03 6.572
4. 27.48 5.526
5 21.57 6.13
6 25.05 8.213
7 32.18 8.308
8 26.91 7.142
9 25.43 7.734
10. 29.75 7.906
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