More clarification required

Six Sigma – iSixSigma Forums Old Forums Software/IT More clarification required

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    Hi Remi,
    I am working on having a control chart for Defect density and I have a similar problem of having defect data with too many zeros.
    What I understand from your reply is to plot non-zero points separately in control chart & For zero data points, use % of non-zero in G-chart. However I am not very clear with CTQ1(the % of non-zero part). Can you give more details on this ?
    I am doing this as part of software process improvement in CMMI & not fully familar with six sigma concepts like CTQ. So I would appreciate if you can explain in simple terms.

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