When conducting a hypothesis test for a given sample size,if a is increased from 0.05 to 0.10,then __________________.
A) the probability of incorrectly rejecting the null hypothesis increases
B) the probability of incorrectly failing to reject the null hypothesis decreases
C) the probability of Type II error decreases
D) All of the above

Question

Quizplus · Accepted Answer

Increasing the significance level (alpha) from 0.05 to 0.10 increases the probability of a Type I error (incorrectly rejecting the null hypothesis), decreases the probability of a Type II error (incorrectly failing to reject the null hypothesis), and thus all statements are correct.

When Conducting a Hypothesis Test for a Given Sample Size,if