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