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How can I measure the capability for attibute data ?

Six Sigma – iSixSigma Forums Old Forums General How can I measure the capability for attibute data ?

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  • #38750

    Wilson Cordeiro
    Member

    Here in our site, we have a specific production line that we need to show the process capability (as required by customer).
    The problem is, in the inspection station the operator needs to use a go – no go gage, after this he insert the results (yes or no) in a spreadsheet and calculate the yield of the line.
    Nowadays we use yield as my main quality indicator, but I need to plot the cpk and ppk to show the capability of my process., but I don’t know how can I calculate the cpk and ppk for these attributes.
    Could you help me to find any solution ???

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    #116462

    RK
    Member

    These links could help
    An article by Kerri Simonhttps://www.isixsigma.com/library/content/c010813a.asp
    Yield to sigma conversion tablehttps://www.isixsigma.com/library/content/sigma_table.asp

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