Question

use the pulses rates in beats per minute bpm of a
random sample of adult females listed in the data set available
below to test the claim that the mean is less then 73 bpm. use a
0.10 significance level.

pules rate 102 89 78 64 47 61 62 61 74 101 69 84 61 100 38 82 88 74 79 65 59 79 87 60 86 86 51 48 86 88 60 51 58 65 105 92 50 39 73 80 50 95 50 59 50 85 44 45 58 89

t=

p value =

how to calculate it from the statscrunch or to 83

Answer #1

Use the pulse rates in beats per minute (bpm) of a random
sample of adult females listed in the data set available below to
test the claim that the mean is less than 77 bpm. Use a
0.01significance level
Click the icon to view the pulse rate data.
59 38
95 92
105 90
81 94
77 78
101 69
47 45
78 90
80 104
75 87
63 61
66 48
35 54
49 39
90 35
97 92...

Use the pulse rates in beats per minute (bpm) of a random sample
of adult females listed in the data set available below to test the
claim that the mean is less than 70 bpm. Use a 0.05 significance
level.
What are the null and alternative hypotheses?
Pulse Rates (bpm)
59
98
82
65
42
104
37
67
79
82
73
69
60
104
38
44
36
41
103
59
54
72
58
62
76
36
54
63
103
70...

6.
Use the pulse rates in beats per minute (bpm) of a random
sample of adult females listed in the data set available below to
test the claim that the mean is less than 78 bpm. Use a 0.10
significance level.
Pulse Rate (bpm)
102
102
36
100
72
52
46
71
83
87
50
58
36
46
52
94
39
65
40
101
76
65
89
67
99
51
70
44
76
77
57
102
87
79
41
95...

8.
Use the pulse rates in beats per minute (bpm) of a random
sample of adult females listed in the data set available below to
test the claim that the mean is less than76
bpm. Use a 0.10 significance level.
Pulse Rate (bpm)
85
58
65
87
85
98
97
101
74
64
40
99
67
68
100
64
100
68
44
60
61
36
56
96
89
68
40
82
51
44
35
77
72
71
101
79
89...

Listed below are pulse rates (beats per minute) from samples
of adult males and females. Does there appear to be a difference?
Find the coefficient of variation for each of the two samples;
then compare the variation.
Male
88
68
60
71
72
54
65
55
83
72
61
60
97
58
66
Female
66
80
80
70
74
84
87
84
86
87
91
71
90
82
79

Listed below are pulse rates (beats per minute) from samples of
adult males and females. Does there appear to be a difference? Find
the coefficient of variation for each of the two samples; then
compare the variation.
Male
Female
86
65
71
83
64
80
72
71
71
76
51
82
65
88
56
87
83
89
68
89
60
92
60
68
99
90
58
78
66
78

Use ? to approximate σ. Use a 5% level of significance.
Data:
69
62
75
66
68
57
61
84
61
77
62
71
68
69
79
76
87
78
73
89
81
73
64
65
73
69
57
79
78
80
79
81
73
74
84
83
82
85
86
77
72
79
59
64
65
82
64
70
83
89
69
73
84
76
79
81
80
74
77
66
68
77
79
78
77

TestScore
53
53
56
56
56
58
58
58
59
59
59
60
60
62
63
63
63
64
65
65
66
67
67
67
67
68
69
69
69
69
71
71
72
72
72
72
73
73
73
73
73
74
75
75
75
76
76
76
76
77
77
77
77
77
78
78
78
79
79
79
79
80
80
80
80
80
80
81
81
81
82
82
83
83
83
83
84
84
84...

Refer to the accompanying data set and construct a 95%
confidence interval estimate of the mean pulse rate of adult
females; then do the same for adult males. Compare the results.
Males Females
81
82
72
94
52
57
59
66
51
54
62
80
52
77
74
85
51
89
62
57
73
35
61
64
62
87
80
74
80
79
63
62
63
67
97
76
43
60
85
65
72
86
66
85
73
69
72 ...

Student Grades
Student
Test
Grade
1
76
62
2
84
90
3
79
68
4
88
84
5
76
58
6
66
79
7
75
73
8
94
93
9
66
65
10
92
86
11
80
53
12
87
83
13
86
49
14
63
72
15
92
87
16
75
89
17
69
81
18
92
94
19
79
78
20
60
71
21
68
84
22
71
74
23
61
74
24
68
54
25
76
97...

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