If the Type I error (α) for a given test is to be decreased, then for a fixed sample size n
A) the Type II error (β) will also decrease.
B) the Type II error (β) will increase.
C) the power of the test will increase.
D) a one-tail test must be utilized.

Question

Quizplus · Accepted Answer

Decreasing the Type I error (α) typically increases the Type II error (β) for a fixed sample size, as there is a trade-off between these errors.

If the Type I Error (α) for a Given Test