The PCR for a measurement is 1.5 and the control limits for an X chart with n
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The PCR for a measurement is 1.5 and the control limits for an X chart with n = 4 are 24.6 and 32.6.
(a) Estimate the process standard deviation σ.
(b) Assume that the specification limits are centered around the process mean. Calculate the specification limits.
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Related Book For
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
Question Posted:
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