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Dusan (Talk | contribs)
(Created page with '<math>\sigma_x^2 = \frac{1}{N-1} \sum (x_i - \bar{x})^2</math>')
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Revision as of 20:39, 3 February 2011

\sigma_x^2 = \frac{1}{N-1} \sum (x_i - \bar{x})^2

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