The Pearson correlation between X1 and Y is r = 0.50 and the correlation between X2 and Y is r = 0.20. How much variance for the Y scores is predicted by using both X1 and X2 as predictor variables in a multiple regression equation?

A) ?0.25 or 25%
B) ?0.29 or 29%
C) ?0.70 or 70%
D) ?It cannot be determined from the information given.


D

Psychology

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