Which of the following will reduce the value of the power in a statistical test
ID: 3153347 • Letter: W
Question
Which of the following will reduce the value of the power in a statistical test of hypotheses? All of the above Reject the null hypothesis only if the P-value is smaller than the level of significance. Decrease the type II error probability. Decrease the sample size. Which of the following will reduce the value of the power in a statistical test of hypotheses? All of the above Reject the null hypothesis only if the P-value is smaller than the level of significance. Decrease the type II error probability. Decrease the sample size.Explanation / Answer
Reject the null hypothesis only if the P-value is smaller than the level of significance. [WRONG, because this is by definition. This does not change anything.]
Decrease the type II error probability. [WRONG. This increase Power, as Power = 1 - P(Type II).]
The correct answer is
OPTION D: Decrease the sample size. [ANSWER]