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Question: Eight golfers were asked to submit their latest scores on their favorite golf courses. These golfers were each given a set of newly designed clubs. After playing with the new clubs for a few months, the golfers were again asked to submit their latest scores on the same golf courses. The results are summarized below.

a. Compute d¯ and s_d.

b. Give a point estimate for μ₁ - μ₂ = μ_d.

c. Construct the 99% confidence interval for μ₁ - μ₂ = μ_d. from these data.

d. Test, at the 1% level of significance, the hypothesis that on average golf scores are lower with the new clubs.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92642245

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