MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Transcribed Image Text:Create a side-by-side boxplot. Based on the boxplot, is there evidence that the null hypothesis will be rejected?
O No, because each boxplot has the same distribution indicating an equal or similar mean.
O Yes, because each boxplot has the same distribution indicating an equal or similar mean.
O Yes, because the boxplot for the group of sedentary men appears to show higher HBE levels compared to
the boxplot for the other two groups indicating that the means are different across groups.
O No, because the boxplot for the group of sedentary men appears to show higher HBE levels compared to the
boxplot for the other two groups indicating that the means are different across groups.
Transcribed Image Text:Human beta-endorphin (HBE) is a hormone secreted by the pituitary gland under conditions of stress. An
exercise physiologist measured the resting (unstressed) blood concentration of HBE in three groups of men: 15
who had just entered a physical fitness program at least 3 months ago, 15 who had been jogging regularly for
some time, and 15 sedentary men. The HBE levels (pg/ml) are shown in the table below.
Fitness Program
Entrants
34
27
24
48
23
36
49
42
45
54
44
38
18
31
35
Joggers
25
24
43
61
36
38
59
30
21
33
14
27
35
17
48
Sedentary
51
62
35
60
49
37
44
46
47
25
59
47
51
61
51
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