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# A machine produces metal rods used in an automobile ISBN: 9781118539712 55

## Solution for problem 40E Chapter 8.2

Applied Statistics and Probability for Engineers | 6th Edition

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Problem 40E

A machine produces metal rods used in an automobile suspension system. A random sample of 15 rods is selected, and the diameter is measured. The resulting data (in millimeters) are as follows: (a) Check the assumption of normality for rod diameter.

(b) Calculate a 95% two-sided confidence interval on mean rod diameter.

(c) Calculate a 95% upper confidence bound on the mean. Compare this bound with the upper bound of the two-sided confidence interval and discuss why they are different.

Step-by-Step Solution:
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##### ISBN: 9781118539712

This full solution covers the following key subjects: Bound, diameter, confidence, rod, rods. This expansive textbook survival guide covers 97 chapters, and 2005 solutions. The answer to “A machine produces metal rods used in an automobile suspension system. A random sample of 15 rods is selected, and the diameter is measured. The resulting data (in millimeters) are as follows: (a) Check the assumption of normality for rod diameter.(b) Calculate a 95% two-sided confidence interval on mean rod diameter.(c) Calculate a 95% upper confidence bound on the mean. Compare this bound with the upper bound of the two-sided confidence interval and discuss why they are different.” is broken down into a number of easy to follow steps, and 78 words. Since the solution to 40E from 8.2 chapter was answered, more than 265 students have viewed the full step-by-step answer. Applied Statistics and Probability for Engineers was written by and is associated to the ISBN: 9781118539712. This textbook survival guide was created for the textbook: Applied Statistics and Probability for Engineers , edition: 6. The full step-by-step solution to problem: 40E from chapter: 8.2 was answered by , our top Statistics solution expert on 07/28/17, 07:57AM.

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