In order to test for the overall significance of a regression model involving 14 independent variables (including the intercept) and 50 observations,...

In order to test for the overall significance of a regression model involving 14 independent variables (including the intercept) and 50 observations, the numerator and denominator degrees of freedom (respectively) for the critical value of the F distribution are:

A. 13 and 36

B. 14 and 48

C. 14 and 36

D. 13 and 48