Question: A researcher obtained the following multipleregression equation using two predictor variables: Y = 1.1X1 + 3X2 + 4.6. Given that SSY = 280, the SP

A researcher obtained the following multipleregression equation using two predictor variables:

Yˆ = 1.1X1 + 3X2 + 4.6. Given that SSY = 280, the SP value for X1 Y is 48, and the SP value for X2 Y is 56, find R2

, the percentage of variance accounted for by the equation.

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