A moving average chart is constructed to detect small mean s

A moving average chart is constructed to detect small mean shifts for a manufacturing process, which has moving window size w=3, and sample size n=3. If at time k (k>3), the process mean shifts from\\(\\mu1=\\mu0+\\sigma\\)and keeps it afterwards. Please calculate the detection power at time k, k+1, k+2, and comment what will be the detection power after time k+2.

Solution

Following link will help you :

http://www.cyut.edu.tw/~ijase/2011/9(2)/5_020019.pdf


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A moving average chart is constructed to detect small mean shifts for a manufacturing process, which has moving window size w=3, and sample size n=3. If at time

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