Assume a significance level of ?-0.1 and use the given information to com plete

Question

Assume a significance level of ?-0.1 and use the given information to com plete parts (a) and (b) below. Original claim: Women have heights with a mean equal to 157 cm. The hypothesis test results in a P-value of 0.0483. a. State a conclusion about the null hypothesis. (Reject Ho or fail to reject Ho-) Choose the correct answer below. O A. Fail to reject Ho because the P-value is greater than ?. 0 B. Fail to reject Ho because the P-value is less than . O C. Reject Ho because the P-value is less than a. D. Reject H0 because the P-value is greater than ?. b. Without using technical terms, state a final conclusion that addresses the original claim. Which of the following is the correct conclusion? O A. There is sufficient evidence to support the claim that the mean height of women is equal to 157 cm. O B. There is not sufficient evidence to warrant rejection of the claim that the mean height of women is equal to 157 cm. O C. There is suffcient evidence to warrant rejection of the claim that the mean height of women is equal to 157 cm. O D. There is not sufficient evidence to support the claim that the mean height of women is equal to 157 cm.

Explanation / Answer

(a) Option C is correct. Reject H0 because p-value = 0.0483 is less than alpha = 0.1.

(b) Option C is correct. We have sufficient evidence to warrant rejection of the claim stated in the null hypothesis.

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