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Math Help - quick question

  1. #1
    Junior Member
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    Post quick question

    im working on an anova problem


    i have count of 8
    sum of 646
    therefore an average of 80.75

    i just cant remember how to get the variance

    any help appreciated

    what exactly soes variance signify in this case???

    the apparent answer is 70.2143, i dont understand how that was achieved
    Last edited by question; January 5th 2008 at 07:11 AM.
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  2. #2
    Super Member malaygoel's Avatar
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    the variance here can be zero(all value are equal) to any positive real value.
    If we consider different distributions such as poisson,truncated poisson,hypergeometric etc. then there will be different variances.
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  3. #3
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    Quote Originally Posted by malaygoel View Post
    the variance here can be zero(all value are equal) to any positive real value.
    If we consider different distributions such as poisson,truncated poisson,hypergeometric etc. then there will be different variances.
    thanks for that but the answer that must be arrived at is the one i mentioned above, this is one way anova if that helps
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