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A fitted multiple regression equation is Y=12+3x1-5x2+7x3+2x4. when x1 increases 2 units and x2 increases 2...

A fitted multiple regression equation is Y=12+3x1-5x2+7x3+2x4. when x1 increases 2 units and x2 increases 2 units as well, while x3 and x4 remain unchanged, what change would you expect in your estimate of Y?

A) decrease by 4

B) increase by 2

C) no change in y

D) decrease by 2

Math   Statistics-And-Probability   
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