Samples Production
the Mean of the Sample Means and the Pooled

question 62

Essay

Samples Production
The mean of the sample means and the pooled standard deviation of 40 samples of size 8 taken from a production process under control are $\bar{\bar { x } }= 215.6$ ,and S = 14.5,respectively.
-{40 Samples Production Narrative} Calculate the centerline and control limits for the $\bar { x }$ chart.

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