Question

22. If the regression line of y on x and that of x on y are given by y = -2x + 3 and 8x =-y +3
respectively, what is the coefficient of correlation between x and y?
(b)-1/2 tex-0.5 (d) none of these
(a) 0.5
and​

Answer 1

Answer:

The correlation of X and Y is the normalized covariance: Corr(X,Y) = Cov(X,Y) / σXσY . The correlation of a pair of random variables is a dimensionless number, ranging between +1 and -1.

Step-by-step explanation:

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