Conditional variance: Difference between revisions

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where E is the [[expectation operator]] with respect to the [[conditional distribution]] of ''Y'' given that the ''X'' takes the value ''x''. An alternative notation for this is :<math>\operatorname{Var}_{Y\mid X}(Y|x).</math>
 
The above may be stated in the alternative forform that, based on the [[conditional distribution]] of ''Y'' given that the ''X'' takes the value ''x'', the conditional variance is the [[variance]] of this [[probability distribution]].
 
==Components of variance==