Question
For two correlated variables x and y, if
coefficient of correlation between x and y is 0.8014, variance of x and y are 16 and 25 respectively. Then the covariance between x and y is:ÂSolution
 Put the given values in formula to get the value of covariance. Cov =(¼)*(1/5)*(0.8014) = 16.028
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