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The Pearson Correlation Between X1 and Y Is R =

Question 7

Multiple Choice

The Pearson correlation between X1 and Y is r = 0.70.When a second variable,X2,is added to the regression equation,we obtain R2 = 0.64.How much variance for the Y scores is predicted by using only X1 as a predictor variable?​


A) ​0.06 or 6%
B) ​0.15 or 15%
C) ​0.49 or 49%
D) ​0.70 or 70%

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