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

As per the given multiple regression model, y (represented by 11eb12c9_c67f_e919_b394_fd562037e905_TB6985_11) is negatively related to x. Therefore, as x increases by 1 unit (holding w constant), y is expected to decrease by 6 units (the coefficient of x). Hence, the correct choice is D.

A Multiple Regression Model Has the Following Estimated Form