In Practice, the Most Frequently Encountered Hypothesis Test About a Population

Multiple Choice

In practice, the most frequently encountered hypothesis test about a population variance is a _____.

A) one-tailed test, with rejection region in lower tail
B) one-tailed test, with rejection region in upper tail
C) two-tailed test, with equal-size rejection regions
D) two-tailed test, with unequal-size rejection regions