Question

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 72

52 84

67 93

56 91

77 88

71 87

62 95

65 68

97 93

60 80

67 82

56 76

59 55

66 97

67 73

83 78

60 79

Answer #1

Finding out the confidence interval from sample using the cut off value of t-distribution

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 bpm less than < mu μ less
than < nothing bpm (Round to one decimal place as needed.)
Construct a...

Test score of 40 students are listed below. Find the percentile for
the test score of 66.
30 35 43 44 47 48 54 55 56 57
59 62 63 65 66 68 69 69 71 72
72 73 74 76 77 77 78 79 80 81
81 82 83 85 89 92 93 94 97 98

Below represent scores on an exam, each entry one score for one
student
40
99
59
98
63
63
64
65
67
35
67
67
68
70
71
71
71
46
72
72
60
73
74
74
74
75
97
75
62
76
76
76
76
76
77
57
77
98
77
63
78
78
78
79
79
80
80
80
80
80
81
81
92
81
93
82
82
83
83
83
83
83
83
83
84
84
84...

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

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...

The test scores of 40 students are listed below.
30
35 43 44 47 48 54 55 56 57
59
62 63 65 66 68 69 69
71 72
72
73 74 76 77 77 78 79 80 81
81 82 83 85 89
92 93 94 97
98
a)
Find the lower and upper quartiles for the data.
b)
Find the interquartile range.
c)
Draw the box-and-whisker diagram for the data.

Using the accompanying Student Grades data, construct a scatter
chart for midterm versus final exam grades and add a linear
trendline. What is the model? If a student scores 7878 on the
midterm, what would you predict her grade on the final exam to
be?
Student
Midterm
Final Exam
1
75
64
2
85
91
3
80
68
4
88
83
5
76
60
6
67
80
7
78
74
8
95
94
9
67
61
10
93
87
11...

10
A)
What is the best regression to forecast
salary?
10
C)
Are all variables statistically
significant? Did you drop any
Final
Math Pre req
Hours
Work experience
94
92
5
Y
74
90
3
Y
74
87
4
Y
76
84
3
N
66
87
2
N
80
49
4
Y
74
42
3
N
71
61
4
N
84
81
5
N
76
67
5
Y
95
93
4
N
78
56
5
N
71
54
3
Y
82...

The data file ExxamScores shows the 40 students
in a TOM 3010 course exxam scores for the Middtermm and Final
exxam. Is there statistically significant evidence to show that
students score lower on their final exxam than middtermm exxam?
Provide the p-value for this analysis.ROUND TO 4 DECIMAL
PLACES.
ExxamScores
Student ID #
Middtermmm
Final
56065
97
64
79499
95
85
59716
89
72
83504
79
64
77735
78
74
57760
87
93
78204
83
70
81177
94
79
54398...

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