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3. The following data were obtained for the number of minutes spent listening to recorded music for a sample of 30 individuals on one particular day 88.3 0 85.4 29.1 67.9 145.6 4.6 34.9 45 98.9 7.6 65.1 4.4 52.9 4.3 99.2 0 17.5 0 94.2 70.4 7 9.2 0 53.3 64.5 56.6 28.8 81.7 63.6 Table 2: Music (a) Compute the mean. Solution: 46 Minutes (b) Compute the median. Solution: 48,95 Minutes (c) Compute the first and third quartiles. Solution: 7 and 70,4 respectively (d) Compute and interpret the 40%-quantile. (e) Is the (arithmetic) mean a good measure of central tendency? (f) Is the data skewed?

3. The following data were obtained for the number of minutes spent listening to recorded music for a sample of 30 individuals on one particular day 88.3 0 85.4 29.1 67.9 145.6 4.6 34.9 45 98.9 7.6 65.1 4.4 52.9 4.3 99.2 0 17.5 0 94.2 70.4 7 9.2 0 53.3 64.5 56.6 28.8 81.7 63.6 Table 2: Music (a) Compute the mean. Solution: 46 Minutes (b) Compute the median. Solution: 48,95 Minutes (c) Compute the first and third quartiles. Solution: 7 and 70,4 respectively (d) Compute and interpret the 40%-quantile. (e) Is the (arithmetic) mean a good measure of central tendency? (f) Is the data skewed?

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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3. The following data were obtained for the number of minutes spent listening to recorded music for a sample of 30 individuals on one particular day 88.3 0 85.4 29.1 67.9 145.6 4.6 34.9 45 98.9 7.6 65.1 4.4 52.9 4.3 99.2 0 17.5 0 94.2 70.4 7 9.2 0 53.3 64.5 56.6 28.8 81.7 63.6 Table 2: Music (a) Compute the mean. Solution: 46 Minutes (b) Compute the median. Solution: 48,95 Minutes (c) Compute the first and third quartiles. Solution: 7 and 70,4 respectively
Transcribed Image Text:3. The following data were obtained for the number of minutes spent listening to recorded music for a sample of 30 individuals on one particular day 88.3 0 85.4 29.1 67.9 145.6 4.6 34.9 45 98.9 7.6 65.1 4.4 52.9 4.3 99.2 0 17.5 0 94.2 70.4 7 9.2 0 53.3 64.5 56.6 28.8 81.7 63.6 Table 2: Music (a) Compute the mean. Solution: 46 Minutes (b) Compute the median. Solution: 48,95 Minutes (c) Compute the first and third quartiles. Solution: 7 and 70,4 respectively
(d) Compute and interpret the 40%-quantile. (e) Is the (arithmetic) mean a good measure of central tendency? (f) Is the data skewed?
Transcribed Image Text:(d) Compute and interpret the 40%-quantile. (e) Is the (arithmetic) mean a good measure of central tendency? (f) Is the data skewed?
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