When the out-of-control ARL corresponds to a shift of 1 standard deviation I the process mean, what are the characteristics of the CUSUM procedure that has ARL of 250 and 4.8 for the in-control and out-of-control conditions, respectively?

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The Answer of When the out-of-control ARL corresponds to a shift of 1 standard deviation I the process mean, what are the characteristics of the CUSUM procedure that has ARL of 250 and 4.8 for the in-control and out-of-control conditions, respectively?

When the Out-Of-Control ARL Corresponds to a Shift of 1