Observations from the process are normally distributed

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Question: Process standards are μ = 100 and σ = 7, and observations from the process are normally distributed. A Shewhart x chart is being considered for use in monitoring the process.

(a) The charts with n = 5 and n = 10 will have different control limits. Why?

(b) The charts with n = 5 and n = 10 will have the same ARL if process parameters remain at standard values. Why?

Reference no: EM131550672

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