A process is in statistical control with x = 39.7 and R = 2.5. The control chart
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USL = 40 + 5 = 45; LSL = 40 5 = 35
(a) Estimate the potential capability of the process.
(b) Estimate the actual process capability.
(c) Calculate and compare the PCRs Cpm and Cpkm.
(d) How much improvement could be made in process performance if the mean could be centered at the nominal value?
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Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
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