A multiple regression model has the following estimated form: = 4 - 6x + 8w As x increases by 1 unit (holding w constant), y is expected to
A) increase by 10 units.
B) decrease by 10 units.
C) increase by 6 units.
D) decrease by 6 units.

Question

A multiple regression model has the following estimated form:  = 4 - 6x + 8w As x increases by 1 unit (holding w constant), y is expected to
A) increase by 10 units. 
B) decrease by 10 units. 
C) increase by 6 units. 
D) decrease by 6 units.

Quizplus · Accepted Answer

According to the estimated model, as x increases by 1 unit and w is held constant, y is expected to decrease by 6 units (the coefficient of x is -6). Therefore, the correct answer is D.

A Multiple Regression Model Has the Following Estimated Form