What is the difference in power between a one-sided test and a two-sided test? Question 4Answer a. A one-sided test has less power than a two-sided test in detecting when a population parameter differs in either direction. b. A two-sided test has less power than a one-sided test in detecting when a population parameter differs in either direction. c. A one-sided test has less power than a two-sided test, but it can't tell whether the population parameter is different in the other way. d. A one-sided test has more power than a two-sided test, but it can't tell whether