Robert H. Mitchell

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Process capability indices have been popular for over 20 years, since Joseph Juran 12 popularized the Capability Ratio (Cr) in his Quality Control Handbook. Eagerness to establish a single index to measure process capability has resulted in the proliferation of indices: " Generalized " Cp/Cpk. Abuse of these indices is well documented (Gunter) 8. Though(More)
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