If the hypothesis test you are conducting is a two-tailed test, which of the following is a possible step that you could take to increase the power of the test?
A) Reduce the sample size
B) Increase alpha
C) Increase beta
D) Use the t-distribution

Question

Quizplus · Accepted Answer

Increasing alpha (the significance level) makes it easier to reject the null hypothesis, thus increasing the power of the test. Power is defined as 1 - beta, where beta is the probability of making a Type II error. Increasing alpha reduces the likelihood of a Type II error, thereby increasing power.

If the Hypothesis Test You Are Conducting Is a Two-Tailed