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Samples Manufacturing
the Mean of the Sample Means and the Pooled

Question 117

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Samples Manufacturing
The mean of the sample means and the pooled standard deviation of 40 samples of size 5 taken from a production process under control are xˉ=518.7\bar { x } = 518.7 ,and S = 11.5,respectively.
-{40 Samples Manufacturing Narrative} Calculate the centerline and control limits for the xˉ\bar { x } chart.

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