Given a total study size of n, and comping g levels of the explanatory factor, the numerator degrees of freedom and the denominator degrees of freedom for the F test in a one-way ANOVA are, respectively,
a. (g - 1) and (n - 1).
b. (n - g) and (n - 1).
c. (n - 1) and (n - g).
d. (n - g) and (g - 1).
e. (g - 1) and (n - g).