If the type II error in a hypothesis test with $a = 0.05 \text { is } 0.30$ , then the power of this test is
A) 0.05
B) 0.30
C) 0.70
D) 0.95

Name: If the type II error in a hypothesis test with $a = 0.05 \text { is } 0.30$ , then the power of this test is A) 0.05 B) 0.30 C) 0.70 D) 0.95
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Question

Quizplus · Accepted Answer

Power of a test is given by (1 - Type II error). Thus, if the Type II error is 0.30, then the power of the test is 1 - 0.30 = 0.70. Therefore, the best choice is C.

If the Type II Error in a Hypothesis Test With a =