Calculate the mean, the median, and the standard deviation of Variable Q8 [How many hours per night do you sleep, on average?]. Interpret these numbers. Compare the mean vs. the median and discuss what it says about the shape of this variable's distribution.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Calculate the mean, the median, and the standard deviation of Variable Q8 [How many hours per night do you sleep, on average?]. Interpret these numbers. Compare the mean vs. the median and discuss what it says about the shape of this variable's distribution.

ID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
Q8
8
6
7
7.5
5
9
6.5
7
6.5
9
8
7
7.5
7
8
7.5
8.5
7
8
6.5
6.5
7.5
8
6
8
7
6
7
7.5
7.5
8
7
7
8
6.3
7
8
6.5
8.5
7
8.5
8
5
4.5
7.5
6
6.5
6.5
6
8
6
8
8
6
7
Transcribed Image Text:ID 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 Q8 8 6 7 7.5 5 9 6.5 7 6.5 9 8 7 7.5 7 8 7.5 8.5 7 8 6.5 6.5 7.5 8 6 8 7 6 7 7.5 7.5 8 7 7 8 6.3 7 8 6.5 8.5 7 8.5 8 5 4.5 7.5 6 6.5 6.5 6 8 6 8 8 6 7
Expert Solution
Step 1

Given that, the number of hours per night he/she sleeps (x).

Sample size (n) = 55

To find the mean, median, and sd of the data.

 

 

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