Statisticians recommend that the power of a test equal _____,that is,the probability that one will correctly reject a false null hypothesis.
A) 5%
B) 10%
C) 50%
D) 80%
E) 95%

Question

Quizplus · Accepted Answer

Generally, statisticians recommend a power of 80%, which means there is an 80% chance of correctly rejecting a false null hypothesis. This level provides a good balance between the risk of a Type I error (false positive) and the risk of a Type II error (false negative). Therefore, the correct answer is D.

Statisticians Recommend That the Power of a Test Equal _____,That