Question: A researcher obtained the following multiple regression equation using two predictor variables: Y = 0.5X1 + 4.5X2 + 9.6. Given that SSY = 210, the

A researcher obtained the following multiple regression equation using two predictor variables: Ŷ = 0.5X1 + 4.5X2 + 9.6. Given that SSY = 210, the SP value for X1 and Y is 40, and the SP value for X2 and Y is 9, find R2, the percentage of variance accounted for by the equation.

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