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How Do You Calculate a Z Score from DPMO?

Six Sigma – iSixSigma Forums Old Forums General How Do You Calculate a Z Score from DPMO?

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  • #49785

    Nwajei
    Participant

    is that different from Z st and Z lt?

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    #170677

    Matt_Taylor
    Participant

    It would depend on what the specification limits were. “Z” is the number of standard deviations (sigma) the process average is from the specification limit.

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