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Correlation for discrete proportion

Six Sigma – iSixSigma Forums Old Forums General Correlation for discrete proportion

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  • #47830

    MM
    Participant

    HI,
    I have two proportions (from discrete datasets) CE and XPR.
    Pls guide how can I find correlation between these two? Which tests can be used here.
    Also, we use jmp in our organization and not Minitab… ;O)
    Thanks,
    Mohit Mahajan

    0
    #160013

    Prasoon
    Participant

    Hi Mohit,
    Can you describe ur situation little more ? I am not able to understand what type of corelation u r looking for betwen two groups. Do u want to check whether there is a difference between the two ?
    Tell us in detail so that we can help u.
    Prasoon

    0
    #160031

    Phi coefficient
    Participant

    If you can depict your two proportions in a 2×2 table ( I am not sure what your data structure looks like) the Phi coefficient can be used. For the comparsion of chi-squares with tables with varying numbers of cells and sample sizes Cramer’s V is used to approximate a correlation.

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