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Solved: The following observations were made on fracture

Probability and Statistics for Engineering and the Sciences (with Student Suite Online) | 7th Edition | ISBN: 9780495382171 | Authors: Jay L. Devore ISBN: 9780495382171 196

Solution for problem 7.45 Chapter 7

Probability and Statistics for Engineering and the Sciences (with Student Suite Online) | 7th Edition

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Probability and Statistics for Engineering and the Sciences (with Student Suite Online) | 7th Edition | ISBN: 9780495382171 | Authors: Jay L. Devore

Probability and Statistics for Engineering and the Sciences (with Student Suite Online) | 7th Edition

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Problem 7.45

The following observations were made on fracture toughness of a base plate of 18% nickel maraging steel [Fracture Testing of Weldments, ASTM Special Publ. No. 381, 1965: 328356 (in ksi in., given in increasing order)]: 69.5 71.9 72.6 73.1 73.3 73.5 75.5 75.7 75.8 76.1 76.2 76.2 77.0 77.9 78.1 79.6 79.7 79.9 80.1 82.2 83.7 93.7 Calculate a 99% CI for the standard deviation of the fracture toughness distribution. Is this interval valid whatever the nature of the distribution? Explain. 4

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Chapter 7, Problem 7.45 is Solved
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Textbook: Probability and Statistics for Engineering and the Sciences (with Student Suite Online)
Edition: 7
Author: Jay L. Devore
ISBN: 9780495382171

This textbook survival guide was created for the textbook: Probability and Statistics for Engineering and the Sciences (with Student Suite Online), edition: 7. Probability and Statistics for Engineering and the Sciences (with Student Suite Online) was written by and is associated to the ISBN: 9780495382171. The answer to “The following observations were made on fracture toughness of a base plate of 18% nickel maraging steel [Fracture Testing of Weldments, ASTM Special Publ. No. 381, 1965: 328356 (in ksi in., given in increasing order)]: 69.5 71.9 72.6 73.1 73.3 73.5 75.5 75.7 75.8 76.1 76.2 76.2 77.0 77.9 78.1 79.6 79.7 79.9 80.1 82.2 83.7 93.7 Calculate a 99% CI for the standard deviation of the fracture toughness distribution. Is this interval valid whatever the nature of the distribution? Explain. 4” is broken down into a number of easy to follow steps, and 82 words. This full solution covers the following key subjects: . This expansive textbook survival guide covers 23 chapters, and 1318 solutions. The full step-by-step solution to problem: 7.45 from chapter: 7 was answered by , our top Statistics solution expert on 01/02/18, 08:17PM. Since the solution to 7.45 from 7 chapter was answered, more than 244 students have viewed the full step-by-step answer.

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Solved: The following observations were made on fracture