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A certain article reported the following observations, listed in increasing order, on drill lifetime (number of holes that a drill machines before it breaks) when holes were drilled in a certain brass alloy. 10 14 20 23 31 37 39 44 47 50 59 61 64 67 77 78 69 70 73 75 93 95 98 101 105 82 85 86 90 91 147 157 106 106 111 119 123 137 140 141 160 169 185 207 247 264 290 323 387 513 USE SALT Compute the sample median, sample mean, 10% trimmed mean, and 25% trimmed mean for the lifetime data. (Round 25% trimmed mean to four decimal places.) sample median 92 sample mean 119.32 10% trimmed mean 25% trimmed mean 102.2750 95.4615 X Compare these measures. All four values have about the same value. The mean is somewhat larger than the median and the 10% trimmed mean is closer to the mean while the 25% trimmed mean is closer to the median.

A certain article reported the following observations, listed in increasing order, on drill lifetime (number of holes that a drill machines before it breaks) when holes were drilled in a certain brass alloy. 10 14 20 23 31 37 39 44 47 50 59 61 64 67 77 78 69 70 73 75 93 95 98 101 105 82 85 86 90 91 147 157 106 106 111 119 123 137 140 141 160 169 185 207 247 264 290 323 387 513 USE SALT Compute the sample median, sample mean, 10% trimmed mean, and 25% trimmed mean for the lifetime data. (Round 25% trimmed mean to four decimal places.) sample median 92 sample mean 119.32 10% trimmed mean 25% trimmed mean 102.2750 95.4615 X Compare these measures. All four values have about the same value. The mean is somewhat larger than the median and the 10% trimmed mean is closer to the mean while the 25% trimmed mean is closer to the median.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A certain article reported the following observations, listed in increasing order, on drill lifetime (number of holes that a drill machines before it breaks) when holes were drilled in a certain brass alloy. 10 14 20 23 31 37 39 44 47 50 59 61 64 67 69 70 73 75 77 78 82 85 86 90 91 93 95 98 101 105 106 106 111 119 123 137 140 141 147 157 160 169 185 207 247 264 290 323 387 513 USE SALT Compute the sample median, sample mean, 10% trimmed mean, and 25% trimmed mean for the lifetime data. (Round 25% trimmed mean to four decimal places.) sample median 92 sample mean 10% trimmed mean 25% trimmed mean 119.32 102.2750 95.4615 X Compare these measures. All four values have about the same value. The mean is somewhat larger than the median and the 10% trimmed mean is closer to the mean while the 25% trimmed mean is closer to the median.
Transcribed Image Text:A certain article reported the following observations, listed in increasing order, on drill lifetime (number of holes that a drill machines before it breaks) when holes were drilled in a certain brass alloy. 10 14 20 23 31 37 39 44 47 50 59 61 64 67 69 70 73 75 77 78 82 85 86 90 91 93 95 98 101 105 106 106 111 119 123 137 140 141 147 157 160 169 185 207 247 264 290 323 387 513 USE SALT Compute the sample median, sample mean, 10% trimmed mean, and 25% trimmed mean for the lifetime data. (Round 25% trimmed mean to four decimal places.) sample median 92 sample mean 10% trimmed mean 25% trimmed mean 119.32 102.2750 95.4615 X Compare these measures. All four values have about the same value. The mean is somewhat larger than the median and the 10% trimmed mean is closer to the mean while the 25% trimmed mean is closer to the median.
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