Question
A multiple regression model has the form: As x2 increases by 1 unit, holding constant x1, then the value of y will increase by: ^ is over y = 5.25 + 2.5x1 + 4x^2
A) 2.5 units
B) 7.75 unit
C) 4 units on average
D) 11.75 units on average
A) 2.5 units
B) 7.75 unit
C) 4 units on average
D) 11.75 units on average