3. The critical value for the F distribution depends on the degrees of freedom in the numerator and denominator. What are the degrees of freedom in the denominator? a.] It is the number of observations minus the number of coefcients estimated [NK] b.] It is the number of hypotheses being tested simultaneously [1) c.] It is the number of coefcients being estimated [K] d.] It is the number of observations minus the number of hypotheses tested [NI}