Which Is Not True of the Two-Tailed F-Test for Equality

Multiple Choice

Which is not true of the two-tailed F-test for equality of variances?

A) It requires reversing the numerator and denominator d.f. to obtain the left-tail critical value.
B) It can be avoided by "folding" the larger variance into the numerator and adjusting α.
C) It is fairly robust to the presence of nonnormality in the populations being sampled.