Question

Refer to the accompanying data set and construct a 90%
confidence interval estimate of the mean pulse rate of adult
females; then do the same for adult males. Compare the results.
LOADING... Click the icon to view the pulse rates for adult females
and adult males. Construct a 90% confidence interval of the mean
pulse rate for adult females. nothing bpm less than < mu μ less
than < nothing bpm (Round to one decimal place as needed.)
Construct a 90% confidence interval of the mean pulse rate for
adult males. nothing bpm less than < mu μ less than < nothing
bpm (Round to one decimal place as needed.) Compare the results.
A. The confidence intervals overlap, so it appears that there is
no significant difference in mean pulse rates between adult females
and adult males. B. The confidence intervals do not overlap, so it
appears that there is no significant difference in mean pulse rates
between adult females and adult males. C. The confidence intervals
do not overlap, so it appears that adult females have a
significantly higher mean pulse rate than adult males. D. The
confidence intervals overlap, so it appears that adult males have
a significantly higher mean pulse rate than adult females.
Males Females

84 78

72 91

50 60

59 68

49 54

64 83

50 79

73 88

53 90

65 55

74 39

58 68

64 87

78 75

83 80

64 65

64 65

97 77

43 59

84 61

72 85

64 85

73 72

74 74

53 89

67 91

54 87

80 93

70 89

63 91

66 67

99 92

58 84

67 78

61 71

57 53

68 97

70 74

87 75

58 78

Answer #1

The statistical software output for this problem is:

Hence,

a) 90% confidence interval for female:

72.6 bpm < < 79.7 bpm

b) 90% confidence interval for male:

63.9 bpm < < 70.6 bpm

c) The confidence intervals do not overlap, so it appears that
adult females have a significantly higher mean pulse rate than
adult males. **Option C** is correct.

Refer to the accompanying data set and construct a
9595%
confidence interval estimate of the mean pulse rate of adult
females; then do the same for adult males. Compare the results.
Click the icon to view the pulse rates for adult females and
adult males.
Construct a 95% confidence interval of the mean pulse rate for
adult females.nothing
bpm<μ<bpm
bpm
(Round to one decimal place as needed.)
Construct a
95%
confidence interval of the mean pulse rate for adult males....

Refer to the accompanying data set and construct a 90%
confidence interval estimate of the mean pulse rate of adult
females; then do the same for adult males. Compare the results.
LOADING... Click the icon to view the pulse rates for adult females
and adult males. Construct a 90% confidence interval of the mean
pulse rate for adult females. nothing bpmless thanmuless than
nothing bpm (Round to one decimal place as needed.) Construct a
90% confidence interval of the mean...

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 ...

A physician wants to develop criteria for determining whether a
patient's pulse rate is atypical, and she wants to determine
whether there are significant differences between males and
females. Use the sample pulse rates below.
Male Female
96 68
64 96
76 68
88 64
72 60
60 84
60 96
72 96
68 64
64 124
a. Construct a
9595%
confidence interval estimate of the mean pulse rate for
males.
nothingless than<muμless than<nothing
(Round to one decimal place as...

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...

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

Construct a 90% confidence interval of the mean pulse rate for
adult females; then do the same for adult males. Compare the
results.
Males
85,77,50,61,52,63,52,75,55,60,75,63,64,81,79,67,68,96,43,86,74,66,71,72,54,65,55,81,73,63,65,98,55,65,60,55,67,70,84,59.
Females
80,93,61,68,54,80,78,87,87,55,37,66,84,74,78,66,67,76,61,66,83,85,67,72,85,91,89,92,89,96,68,87,82,79,74,57,99,75,78,78.

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

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...

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...

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