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CP AND CPK Z VALUE

Six Sigma – iSixSigma Forums Old Forums General CP AND CPK Z VALUE

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  • #52868

    JMCRAE
    Participant

    HOW DO YOU CALCULATE AND CONVERT CP AND CPK TO Z VALUE OR SIGMA VALUE ?

    0
    #186553

    Shafi Khalisdar
    Member

    Cpk is equal to Zmin divided by 3. Zmin is the
    smallest value between Z value of upper specification
    limit and Z value of lower specification limit. Refer
    to this link for more info:
    https://www.isixsigma.com/library/content/sigma__dpmo_y
    ield_cpk.asp

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