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18 26 33 40 44 45 49 75 80 125

18 26 33 40 44 45 49 75 80 125

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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The durations (in minutes) of all power failures at a residence in the last five years are 18 26 33 40 44 45 49 75 80 125 It is given that Ex = 535, E x² = 37 701, and n = 10. a. Is the given data a population or a sample? b. Calculate the mean duration of power failures at the residence in the last five years. C. Calculate the range and variance of the data. d. Compute the values of the three quartiles and the interquartile range.
Transcribed Image Text:The durations (in minutes) of all power failures at a residence in the last five years are 18 26 33 40 44 45 49 75 80 125 It is given that Ex = 535, E x² = 37 701, and n = 10. a. Is the given data a population or a sample? b. Calculate the mean duration of power failures at the residence in the last five years. C. Calculate the range and variance of the data. d. Compute the values of the three quartiles and the interquartile range.
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