Question: An EWMA chart with and is to be used to monitor a process. Suppose that the process mean is and (a) Assume that What is

An EWMA chart with and is to be used to monitor a process. Suppose that the process mean is and

(a) Assume that What is the ARL without any shift in the process mean? What is the ARL to detect a shift to

(b) Assume that Repeat part

(a) and comment on your conclusions.

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