6. Eight golfers were asked to submit their latest scores on their favorite golf courses. These...

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6. 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. Golfer Own clubs 1 2 3 4 5 6 7 8 77 80 69 73 73 72 75 77 New clubs 72 81 68 73 75 70 73 75 a. Computea and sd. b. Give a point estimate for ₁-₂ = Hd- c. Construct the 99% confidence interval for ₁-₂d from these data. d. Test, at the 1% level of significance, the hypothesis that on average golf scores are lower with the new clubs. 6. 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. Golfer Own clubs 1 2 3 4 5 6 7 8 77 80 69 73 73 72 75 77 New clubs 72 81 68 73 75 70 73 75 a. Computea and sd. b. Give a point estimate for ₁-₂ = Hd- c. Construct the 99% confidence interval for ₁-₂d from these data. d. Test, at the 1% level of significance, the hypothesis that on average golf scores are lower with the new clubs.

Answer rating: 100% (QA)

Given data Galter Own clubs New clubs difference d Sd 77 72 5 J Ed Ed n n1 Critical since 21... View the full answer