Difference between revisions of "Sxx Command"

Revision as of 18:00, 20 July 2011

Sxx[List of Numbers]: Calculates the statistic \sum x^2 - \frac{(\sum x)^2}{n}.
Sxx[List of Points]: Calculates the statistic \sum x^2 - \frac{(\sum x)^2}{n} using the x-coordinates of the given points.

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 <noinclude>{{Manual Page|version=4.0}}[[Category:Manual (official)|{{PAGENAME}}]]</noinclude>
 {{command|statistics}}
-; Sxx[List of Numbers]: Calculates the statistic ''Σ(x<sup>2</sup>) - Σ(x) * Σ(x)/n''.
+; Sxx[List of Numbers]: Calculates the statistic <math>\sum x^2 - \frac{(\sum x)^2}{n}</math>.
-; Sxx[List of Points]: Calculates the statistic ''Σ(x<sup>2</sup>) - Σ(x) * Σ(x)/n'' using the ''x''-coordinates of the given points.
+; Sxx[List of Points]: Calculates the statistic <math>\sum x^2 - \frac{(\sum x)^2}{n}</math> using the ''x''-coordinates of the given points.