Question: 2. Assuming it is needed to check a process for whether In-Control or Out-of-Control by developing i and R control charts. After taking 20 samples

2. Assuming it is needed to check a process for

2. Assuming it is needed to check a process for whether In-Control or Out-of-Control by developing i and R control charts. After taking 20 samples with a size of 4 each from the process, below calculations are received: 20 20 Xi = 10.275, XR = 1.012 i=1 i=1 a) Calculate the control limits. b) Estimate the process mean and standard deviation

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