MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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FInd the mean, variance, and standarad deviation.

3.65 The following table gives the frequency distribution of the number of hours spent per weck playing
video games by all 60 students of the cighth grade at a school.
Hours per Week
Number of Students
0 to less than 5
7
5 to less than 10
10 to less than 15
12
15
15 to less than 20
13
20 to less than 25
8
25 to less than 30
5
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Transcribed Image Text:3.65 The following table gives the frequency distribution of the number of hours spent per weck playing video games by all 60 students of the cighth grade at a school. Hours per Week Number of Students 0 to less than 5 7 5 to less than 10 10 to less than 15 12 15 15 to less than 20 13 20 to less than 25 8 25 to less than 30 5
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