Process Capability (Cp, Cpk) and Process Performance (Pp, Ppk ...

Process Capability (Cp, Cpk) and Process Performance (Pp, Ppk ...

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日期:2024-05-16
This calculation for Sigma REQUIRES the process to be in a state of statistical control. If not in control, your calculation of Sigma (and hence Cpk) is useless – it  ......看更多