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# (In some of the exercises that follow, we must | Ch 9.3 - 9E ISBN: 9780321923271 41

## Solution for problem 9E Chapter 9.3

Probability and Statistical Inference | 9th Edition

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Problem 9E

(In some of the exercises that follow, we must make assumptions, such as normal distributions with equal variances.)

Let Xi, i = 1, 2, 3, 4, equal the distance (in yards) that a golf ball travels when hit from a tee, where i denotes the index of the i th manufacturer. Assume that the distribution of Xi is N(μi, σ2), i = 1, 2, 3, 4, when a ball is hit by a certain golfer. We shall test the null hypothesis H0: μ1 = μ2 = μ3 = μ4, using three observations of each random variable.

(a) Give a critical region for an α = 0.05 significance level.

(b) Construct an ANOVA table and state your conclusion, using the following data: (c) What would your conclusion be if α = 0.025?

(d) What is the approximate p-value of this test?

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##### ISBN: 9780321923271

The answer to “(In some of the exercises that follow, we must make assumptions, such as normal distributions with equal variances.)Let Xi, i = 1, 2, 3, 4, equal the distance (in yards) that a golf ball travels when hit from a tee, where i denotes the index of the i th manufacturer. Assume that the distribution of Xi is N(?i, ?2), i = 1, 2, 3, 4, when a ball is hit by a certain golfer. We shall test the null hypothesis H0: ?1 = ?2 = ?3 = ?4, using three observations of each random variable.(a) Give a critical region for an ? = 0.05 significance level.(b) Construct an ANOVA table and state your conclusion, using the following data: (c) What would your conclusion be if ? = 0.025?(d) What is the approximate p-value of this test?” is broken down into a number of easy to follow steps, and 136 words. Since the solution to 9E from 9.3 chapter was answered, more than 254 students have viewed the full step-by-step answer. Probability and Statistical Inference was written by and is associated to the ISBN: 9780321923271. This full solution covers the following key subjects: ball, Using, test, HIT, equal. This expansive textbook survival guide covers 59 chapters, and 1476 solutions. This textbook survival guide was created for the textbook: Probability and Statistical Inference , edition: 9. The full step-by-step solution to problem: 9E from chapter: 9.3 was answered by , our top Statistics solution expert on 07/05/17, 04:50AM.

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