http://blog.mozilla.com/dmandelin/2009/02/06/sunspider-statistics-part-i-questions/ Just another Blog.mozilla.com weblog Fri, 20 Nov 2009 22:40:42 -0800 http://wordpress.org/?v=2.8.6 hourly 1 http://blog.mozilla.com/dmandelin/2009/02/06/sunspider-statistics-part-i-questions/comment-page-1/#comment-11823 Charles Mon, 15 Jun 2009 19:53:21 +0000 http://blog.mozilla.com/dmandelin/?p=50#comment-11823 The mathematical formulas used in the t test are just to correct for the fact that we don't know the real standard deviation, just an estimate from our data. They're a more complex analogue to the mysterious "n-1" used in place of "n" in computing sample standard deviations The mathematical formulas used in the t test are just to correct for the fact that we don’t know the real standard deviation, just an estimate from our data. They’re a more complex analogue to the mysterious “n-1″ used in place of “n” in computing sample standard deviations

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