The Pearson correlation between X₁ and Y is r = 0.50.When a second variable, X₂, is added to the regression equation, we obtain R² = 0.60.Adding the second variable increased the predicted variance for the Y scores by 36% - 25% = 11%.

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The Answer of The Pearson correlation between X₁ and Y is r = 0.50.When a second variable, X₂, is added to the regression equation, we obtain R² = 0.60.Adding the second variable increased the predicted variance for the Y scores by 36% - 25% = 11%.

The Pearson Correlation Between X1 and Y Is R =

The Pearson Correlation Between X₁ and Y Is R =