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Question 9. In regression analysis, if you know that the coefficient of determination is R 2 = 0.40 when X1 is used to predict Y,

Question 9.

In regression analysis, if you know that the coefficient of determination is R2 = 0.40 when X1 is used to predict Y, and R2 = 0.42 when X2 is used to predict Y, then it should be possible to determine the possible range of R2 values when both X1 and X2 are used to predict Y. What is the possible range for R2 in the two-predictor model?

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