Thursday, 23 June 2011

The difference between the variance and covariance?

Ask Steven R : the difference between the variance and covariance Can someone please help explain what is the difference? My view: how to return variance is applied, shows how risky the investment, and the covariance is the correlation between two or more investments in the portfolio. Am I on the right track? Thanks. Reply Reply Anju Covariance: a statistical measure of the variance of two random variables is observed or measured during the same period average. This measure is the same product deviations

Ancova SPSS

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