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Question about PPM Cpk…

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  • #33534

    Omar Olazaran
    Participant

    What is the relationship between the PPM and Cpk ???
    Thanks !!!
    Omar Olazaran

    0
    #90930

    Logan
    Participant

    Process Sigma = NORMSINV(1-((Total Defects) / (Total Opportunities))) + 1.5Cpk=Process Sigma / 3Before doing such a conversion, please make sure two things:1) Process is stable/under control2) Samples were collected randomly

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