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Name: Q. Eight golfers were asked to submit their latest scores on their fav
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Description: Q. 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 lat

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Q. 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	1	2	3	4	5	6	7	8
Own clubs	23	23	69	73	73	72	23	23
New clubs	72	81	68	73	75	70	73	75

(a) Construct the 99% confidence interval for ?₁ − ?₂ = ?_d from these data.

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

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