In order to test the validity of a multiple regression model involving 4 independent variables and 25 observations,the numerator and denominator degrees of freedom for the critical value of F are ________ respectively.
A)4 and 20
B)4 and 25
C)5 and 24
D)5 and 25

Question

Quizplus · Accepted Answer

The numerator degrees of freedom for the F-test in multiple regression is equal to the number of independent variables, which is 4. The denominator degrees of freedom is calculated as the total number of observations minus the number of independent variables minus 1, which is 25 - 4 - 1 = 20.

In Order to Test the Validity of a Multiple Regression