In 1990, the average math SAT score for students at one school was 479. Five yea

Question

In 1990, the average math SAT score for students at one school was 479. Five years later, a teacher wants to perform a hypothesis test to determine whether the average SAT score of students at the school has changed from the 1990 mean of 479. The hypotheses are shown below. Identify the Type Il error. H_0: mu = 479 H_a: mu notequalto 479 A. Reject the claim that the average math SAT score is 479 when in fact it is not 479. B. Fail to reject the claim that the average math SAT score is 479 when in fact it is not 479. C. Reject the claim that the average math SAT score is 479 when in fact it is 479. D. Fail to reject the claim that the average math SAT score is 479 when in fact it is 479.

Explanation / Answer

Answer:

B: Fail to reject the claim that average math SAT score is 479 when in fact it is not 479.

Type II error occurs when one fail to rejects a null hypothesis when it is actually false.

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