In bivariate regression,which statement is true concerning the coefficient of determination,r²? A)r²is the square of the simple correlation coefficient obtained by correlating the two variables. B)r²varies between 0 and 1. C)r² signifies the proportion of the total variation in Y accounted for by the variation in X. D)All are correct.

Question

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All the statements are correct in relation to the coefficient of determination, r², in bivariate regression. Option A states that it is the square of the simple correlation coefficient obtained by correlating the two variables. Option B states that its value lies between 0 and 1. Option C states that r²represents the proportion of the total variation in Y explained by the variation in X. Therefore, option D, which states that all the statements are correct, is the best choice.

In Bivariate Regression,which Statement Is True Concerning the Coefficient of Determination,r2

In Bivariate Regression,which Statement Is True Concerning the Coefficient of Determination,r²