In a regression analysis, three independent variables are used in the equation based on a sample of forty observations. What are the degrees of freedom associated with the F-statistic?
A) 3 and 39
B) 4 and 40
C) 3 and 36
D) 2 and 39
E) None of these statements are correct

Question

Quizplus · Accepted Answer

The degrees of freedom for the F-statistic in regression are calculated as (k, n-k-1), where k is the number of independent variables and n is the number of observations. Here, k=3 and n=40, so the degrees of freedom are (3, 36).

In a Regression Analysis, Three Independent Variables Are Used in the Equation