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. 0.726 0.844 0.873 0.915 0.926 0.932 0.975 1.037 1.049 1.087 1.123 1.137 1.151 1.228 1.009 1.356 USE SALT (a) Compute and compare the values of the sample mean x and median X. (Round your mean to four decimal places.) x = x = flight hours/104 flight hours/104 (b) By how much could the largest sample observation be decreased without affecting the value of the median? (Enter your answer to three decimal places.) flight hours/104
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. 0.726 0.844 0.873 0.915 0.926 0.932 0.975 1.037 1.049 1.087 1.123 1.137 1.151 1.228 1.009 1.356 USE SALT (a) Compute and compare the values of the sample mean x and median X. (Round your mean to four decimal places.) x = x = flight hours/104 flight hours/104 (b) By how much could the largest sample observation be decreased without affecting the value of the median? (Enter your answer to three decimal places.) flight hours/104
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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