i. 90% of total variation in the dependent variable is explained by the independent variable for a multiple R²= 0.90. ii. The multiple standard error of estimate measures the variation about the regression plane when two independent variables are considered. Iii) The multiple coefficient of determination, R², reports the proportion of the variation in Y that is not Explained by the variation in the set of independent variables. A) (i), (ii) and (iii) are all correct statements B) (i) and (ii) are correct statements, but not (iii). C) (i) and (iii) are correct statements but not (ii). D) (ii) and (iii) are correct statements but not (i). E) All statements are false

Question

Quizplus · Accepted Answer

Statement (i) is correct as R² = 0.90 means 90% of the variation is explained. Statement (ii) is correct as the standard error measures variation around the regression plane. Statement (iii) is incorrect as R² reports the proportion of variation explained, not unexplained.

I 90% of Total Variation in the Dependent Variable Is