Question: Let ry denote the sample correlation between y; and xpi = 1,..., n, and y denote the coefficient of determination in the simple linear regression

Let ry denote the sample correlation between y; and xpi = 1,..., n, and y denote the coefficient of determination in the simple linear regression of y; on a constant and x;. Show that Wxy = (sign of bj) *vrz, where b, is the slope of the estimated regression equation y = bo + bix

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