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Math Help - Chi-square

  1. #1
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    Chi-square

    In a chi-square test, what does it indicate when the observed and expected frequencies are equal?

    Besides the sum=0, does it mean anything else?
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by dwsmith View Post
    In a chi-square test, what does it indicate when the observed and expected frequencies are equal?

    Besides the sum=0, does it mean anything else?
    It means that you have a perfect fit of the observed to expected - usually this is indicative of fraud.

    CB
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