Holding all else constant, increasing sample size ______ the probability of making a type I error and ______ the probability of making a type II error.
A) increases; decreases
B) decreases; increases
C) does not affect; decreases
D) decreases; does not affect

Question

Quizplus · Accepted Answer

Increasing sample size does not affect the probability of making a Type I error, which is determined by the significance level (alpha), but it decreases the probability of making a Type II error, making it easier to detect a true effect if there is one.

Holding All Else Constant, Increasing Sample Size ______ the Probability