For the Estimated Multiple Regression Model = 30 -4x₁

Multiple Choice

For the estimated multiple regression model = 30 -4x₁ + 5x₂ +3 x₃, a one unit increase in x₃, holding x₁ and x₂ constant, will result in which of the following changes in y?

A) y will increase by 3 units.
B) y will increase by 2 units, estimated, on average.
C) y will increase by 33 units
D) y will increase by 3 units, estimated, on average.