# Question

A process that is in control has a mean of μ = 12.5 and a standard deviation of σ = .8.

a. Construct the x-bar control chart for this process if samples of size 4 are to be used.

b. Repeat part (a) for samples of size 8 and 16.

c. What happens to the limits of the control chart as the sample size is increased? Discuss why this is reasonable.

a. Construct the x-bar control chart for this process if samples of size 4 are to be used.

b. Repeat part (a) for samples of size 8 and 16.

c. What happens to the limits of the control chart as the sample size is increased? Discuss why this is reasonable.

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