Question: A quality control manager at a manufacturing facility has taken four samples with four observations each of the diameter of a part. (a) Compute the
A quality control manager at a manufacturing facility has taken four samples with four observations each of the diameter of a part.
(a) Compute the mean of each sample.
(b) Compute an estimate of the mean and standard deviation of the sampling distribution.
(c) Develop control limits for 3 standard deviations of the productdiameter.
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Samples of Part Diameter in Inches 4 5.8 6.2 6.6.0 5.9 6.05.95.9 6.0 5.9 6.05.9 5.9 5.8 6.1 6.1
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a Mean of sample 1 58 59 60 614 595 Mean of sample 2 62 60 59 594 60 Mean ... View full answer

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