A certain statistics instructor participates in triathlons. The accompanying table lists times​ (in minutes and​ seconds) he recorded while riding a bicycle for five laps through each mile of a​ 3-mile loop. Use a 0.05 significance level to test the claim that it takes the same time to ride each of the miles. Does one of the miles appear to have a​ hill?   a. Determine the null and alternative hypotheses. b. What is the conclusion for this hypothesis​ test?

Q: a. Test the claim that the two samples are from populations with the same mean. What are the null…

A: Correct answer is  (D)

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A: Dear Student, As per the guidelines I can solve only the 3 subparts. Kindly repost remaining parts.

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Q: A certain statistics instructor participates in triathlons. The accompanying table lists times (in…

A: Claim : It takes the same time to ride each of the miles.

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Q: What is your conclusion? e. Does one of the miles appear to have a hill?

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A:

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A: