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AlexC
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I removed the following comments from the article as they do not belong there. I have posted them here so that somebody may investigat them further. It would be nice if users use the talk page for comments and not the article. --[[User:Richss|Richss]] 16:12, Nov 11, 2004 (UTC)
:Why is the second equation n(n-1)? I know two possibilities n (unbiased) or n-1 biased...See also the article Variance in wikipedia. This equations do not look good... --132.231.54.1
:The above algorithm does not seem to be correct. The resulting variance does not equal either one of the variances whose formulas are given at the top of the page. --137.226.12.196
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