Covariance/Definition: Difference between revisions

Latest revision as of 21:05, 17 May 2010

Citable Version ^[?]

A definition or brief description of Covariance.

A statistical parameter that indicates whether two random variables show a related linear trend.

Revision as of 08:55, 3 March 2008 (view source) imported>Nick Gardner No edit summary ← Older edit		Latest revision as of 21:05, 17 May 2010 (view source) imported>Chris Day (jog)
(5 intermediate revisions by 4 users not shown)
Line 1:		Line 1:
	A statistical ~~measure indicating the degree to which~~ two variables move together (defined as the average value of the products of the deviations of the corresponding values of the two variables from their respective means, and expressed mathematically as Cov(x,y).) If their covariance is positive, both move in the same direction; if it is negative, then when one increases the other decreases.		<noinclude>{{Subpages}}</noinclude>
			A statistical parameter that indicates whether two random variables show a related linear trend.