A regression model involved 5 independent variables and 126 observations. The critical value of t for testing the significance of each of the independent variable's coefficients will have _____.
Accepted Solution
A:
Answer: 121 degrees of freedom Step-by-step explanation:The df are determined as (n-k) where as k we have the parameters of the estimated model and as n the number of observations. n=126 and k=5 .Now the degrees of freedom will be equal to n-k =126-5 = 121