Standard deviation/Definition: Difference between revisions

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A definition or brief description of Standard deviation.

A statistical measure for the fluctuation of a random variable about its mean value (the square root of the variance).

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	~~The~~ square root of ''variance''.		<noinclude>{{subpages}}</noinclude>

			A statistical measure for the fluctuation of a random variable about its mean value (the square root of the ''variance'').