Question: For the multiple regression model = 40+ 15X1 10X2+5X3 , if X2 were to decrease by 3 units, holding X and Y; constant, the value

For the multiple regression model = 40+ 15X1

For the multiple regression model = 40+ 15X1 10X2+5X3 , if X2 were to decrease by 3 units, holding X and Y; constant, the value of Y would be expected to increase or decrease) by

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