The propagation of fatigue cracks in various aircraft

Probability and Statistics for Engineering and the Sciences | 9th Edition | ISBN: 9780321629111 | Authors: Ronald E. Walpole, Raymond H. Myers

Problem 39E Chapter 1

Probability and Statistics for Engineering and the Sciences | 9th Edition

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Probability and Statistics for Engineering and the Sciences | 9th Edition | ISBN: 9780321629111 | Authors: Ronald E. Walpole, Raymond H. Myers

Probability and Statistics for Engineering and the Sciences | 9th Edition

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Problem 39E

The propagation of fatigue cracks in various aircraft parts has been the subject of extensive study in recent years. The accompanying data consists of propagation lives (flight hours/104) to reach a given crack size in fastener holes intended for use in military aircraft (“Statistical Crack Propagation in Fastener Holes Under Spectrum Loading,” J ? . Aircraft? 983: 1028–1032): a. Compute and compare the values of the sample mean and median. b. By how much could the largest sample observation be decreased without affecting the value of the median?

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Problem 39E Answer: Step1: The propagation of fatigue cracks in various aircraft parts has been the subject of extensive study in recent years. The accompanying data consists of propagation lives (flight hours/104) to reach a given crack size in fastener holes intended for use in military aircraft (“Statistical Crack Propagation in Fastener Holes Under Spectrum Loading,” J. Aircraft, 1983: 1028–1032): 0.736 0.863 0.865 0.913 0.915 0.937 0.983 1.007 1.011 x 1.064 1.109 1.132 1.14 1.153 1.253 1.394 We need to find, a. Compute and compare the values of the sample mean and median. b. By how much could the largest sample observation be decreased without affecting the value of the median Step2: a). 1).A mean is an average of given data, It is the sum of individual scores divided by the number of individuals and it is given by n xi x = i=1 n Consider, i x 1 0.736 2 0.863 3 0.865 4 0.913 5 0.915 6 0.937 7 0.983 8 1.007 9 1.011 10 1.064 11 1.109 12 1.132 13 1.14 14 1.153 15 1.253 16 1.394 n x = 16.475 n = 16 i=1 i n xi x = i=1 n = 16.475...

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Chapter 1, Problem 39E is Solved
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Textbook: Probability and Statistics for Engineering and the Sciences
Edition: 9
Author: Ronald E. Walpole, Raymond H. Myers
ISBN: 9780321629111

This textbook survival guide was created for the textbook: Probability and Statistics for Engineering and the Sciences, edition: 9. Probability and Statistics for Engineering and the Sciences was written by and is associated to the ISBN: 9780321629111. The answer to “The propagation of fatigue cracks in various aircraft parts has been the subject of extensive study in recent years. The accompanying data consists of propagation lives (flight hours/104) to reach a given crack size in fastener holes intended for use in military aircraft (“Statistical Crack Propagation in Fastener Holes Under Spectrum Loading,” J ? . Aircraft? 983: 1028–1032): a. Compute and compare the values of the sample mean and median. b. By how much could the largest sample observation be decreased without affecting the value of the median?” is broken down into a number of easy to follow steps, and 88 words. This full solution covers the following key subjects: aircraft, propagation, median, sample, holes. This expansive textbook survival guide covers 18 chapters, and 1582 solutions. Since the solution to 39E from 1 chapter was answered, more than 609 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 39E from chapter: 1 was answered by , our top Statistics solution expert on 05/06/17, 06:21PM.

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