4. value: 15.00 points In a multiple regression, the following sample regression

Question

4. value: 15.00 points In a multiple regression, the following sample regression equation is obtained 15712.7x1+2.7x2 a. Predict yìfx1 equals 15 and X2 equals 33 (Round your answer to 1 decimal place.) b. Interpret the slope coefficient of x1. As x1 increases by one unit, y is predicted to increase by 2.7 units, holding x2 constant. OAs x1 increases by one unit, y is predicted to decrease by 2.7 units, holding x2 constant. OAs x1 increases by one unit, y is predicted to decrease by 12.7 units, holding x2 constant. OAs x1 increases by one unit, y is predicted to increase by 12.7 units, holding x2 constant. eBook & Resources eBook: Estimate the multiple linear regression model and interpret the coefficients

Explanation / Answer

Solution:- Given multiple regression y^ = 157 + 12.7x1 + 2.7x2

a) Predict y if x1 = 15 , x2 = 33
y^ = 157+(12.7*15)+(2.7*33)
y^ = 436.6

b) option D. As x1 increases by one unit,y is predicted to incres by 12.7 units,holding x2 constant

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