In a multiple regression, the following sample regression equation is obtained: = 152 + 12.9x1 +

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In a multiple regression, the following sample regression equation is obtained:

ŷ = 152 + 12.9x1 + 2.7x2.

a. Predict y if x1 equals 20 and x2 equals 35.

b. Interpret the slope coefficient of x1. P-968

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