Question: A process exhibits data X = 33.6, R = 6.20, n = 5. Given: A2= .577, D4= 2.115, D3=0 During the time the above process

A process exhibits data X = 33.6, R = 6.20, n = 5. Given: A2= .577, D4= 2.115, D3=0

During the time the above process is running, a sample with the following data is taken: 36, 43, 37, 25, 38 At the time this sample was taken;

a- both the average and range were within control limits

b- neither the average nor range are within control limits

c- only the average was outside the control limits

d- only the range was outside control limits

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