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Math Help - Correlation coefficient

  1. #1
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    Correlation coefficient

    http://i53.tinypic.com/swpf10.jpg

    Im stuck on question e), do you just take the square root of R squared, or am I missing something really obvious here?
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  2. #2
    Member rtblue's Avatar
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    You're right. The correlation coefficient is just r, so it would be the square root of r^2
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