For the Multiple Regression Model $\hat { y }$ = 75 + 25x1 - 15 X2 + 10 X3

Multiple Choice

For the multiple regression model $\hat { y }$ = 75 + 25x1 - 15 x2 + 10 x3, if $x _ { 2 }$ were to increase by 5, holding $x _ { 1 }$ and $x _ { 3 }$ constant, the value of y would:

A) increase by 5.
B) increase by 75.
C) decrease on average by 5.
D) decrease on average by 75.