The histogram displays hours of sleep per day for a random sample of 200 subjects estimate mean hours of sleep standard deviation hours of sleep and coefficient of variation

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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The histogram displays hours of sleep per day for a random sample of 200 subjects estimate mean hours of sleep standard deviation hours of sleep and coefficient of variation
90
90
80
70
64
60
50
40
30
22
20
14
10
3.5
4.5
5.5
6.5
7.5
8.5
9.5
10.5
Hours of sleep
kouenbes
Transcribed Image Text:90 90 80 70 64 60 50 40 30 22 20 14 10 3.5 4.5 5.5 6.5 7.5 8.5 9.5 10.5 Hours of sleep kouenbes
Expert Solution
Step 1

Given that 

The histogram displays hours of sleep per day for a random sample of 200 subjects

From histogram 

Mid value=X Frequency=f
3.5 2
4.5 2
5.5 4
6.5 22
7.5 64
8.5 90
9.5 14
10.5 2
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