Question: A quality control manager at a manufacturing facility has taken 4 samples with 4 observations each of the diameter of a part. (a) Compute the

A quality control manager at a manufacturing facility has taken 4 samples with 4 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 product diameter. Samples of Part Diameter in Inches 1 2 3 4 5.8 6.2 6.1 6.0 a9 6.0 Se) aes) 6.0 SHS) 6.0 ayy) 6.1 Sys) 5.8 6.1

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