A Multiple Regression Model Has the Form $\tilde { y } = 5.25 + 2 x _ { 1 } + 6 x _ { 2 }$

Multiple Choice

A multiple regression model has the form: $\tilde { y } = 5.25 + 2 x _ { 1 } + 6 x _ { 2 }$ .As x₂ increases by one unit,holding x₁ constant,then the value of y will increase by:

A) 7.25 units
B) 6 units on average
C) 2 units
D) None of these choices