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A. A product has a target length of 20.0 cm, and the process has a standard...

A. A product has a target length of 20.0 cm, and the process has a standard value for the standard deviation of 0.05 cm. Calculate the x-bar control chart lower limit when the sample size is 5

B. A product has a target length of 20.0 cm, and the process has a standard value for the standard deviation of 0.05 cm. Calculate the standard deviation control chart upper limit when the sample size is 5

C. A series of 20 samples of size 4 has been drawn from a project. The measure of interest has an average of 20.0443, and the average standard deviation of the samples is 0.032. Determine the sigma-bar control chart upper limit

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