Question
Calculate the sample variance and sample standard deviation for the following frequency distribution of heart rates...
Calculate the sample variance and sample standard deviation for the following frequency distribution of heart rates for a sample of American adults. If necessary, round to one more decimal place than the largest number of decimal places given in the data.
| Class | Frequency |
|---|---|
| 61 - 66 | 12 |
| 67 - 72 | 13 |
| 73 - 78 | 6 |
| 79 - 84 | 14 |
| 85 - 90 | 12 |
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
Calculate the sample standard deviation and sample variance for the following frequency distribution of heart rates...
Calculate the sample standard deviation and sample variance for
the following frequency distribution of heart rates for a sample of
American adults. If necessary, round to one more decimal place than
the largest number of decimal places given in the data.
Heart Rates in Beats per Minute
Class
Frequency
61 -66
3
67 - 72
12
73 -78
8
79 - 84
9
85 - 90
8
Calculate the sample variance and sample standard deviation for the following frequency distribution of heart rates...
Calculate the sample variance and sample standard deviation for
the following frequency distribution of heart rates for a sample of
American adults. If necessary, round to one more decimal place than
the largest number of decimal places given in the data.
Heart Rates in Beats per Minute
Class
Frequency
61 - 66
13
67 - 72
9
73 - 78
5
79 - 84
3
885 - 90
6
Calculate the sample variance and sample standard deviation for the following frequency distribution of heart rates...
Calculate the sample variance and sample standard deviation for
the following frequency distribution of heart rates for a sample of
American adults. If necessary, round to one more decimal place than
the largest number of decimal places given in the data.
61 -66 10
67 -72 6
73 -78 14
79 -84 5
85 -90 14
Calculate the sample standard deviation and sample variance for the following frequency distribution of final exam...
Calculate the sample standard deviation and sample variance for
the following frequency distribution of final exam scores in a
statistics class. If necessary, round to one more decimal place
than the largest number of decimal places given in the data.
Final Exam Scores
Class
Frequency
61 - 68
14
69 - 76
5
77 - 84
3
85 - 92
12
93 - 100
13
Calculate the sample standard deviation and sample variance for the following frequency distribution of scores in...
Calculate the sample standard deviation and sample variance for
the following frequency distribution of scores in a statistics
class. If necessary, round to one more decimal place than the
largest number of decimal places given in the data.
Scores
Class
Frequency
56 - 64
13
65 - 73
9
74 - 82
4
83 - 91
10
92 - 100
6
Calculate the sample standard deviation and sample variance for the following frequency distribution of final exam...
Calculate the sample standard deviation and sample variance for
the following frequency distribution of final exam scores in a
statistics class. If necessary, round to one more decimal place
than the largest number of decimal places given in the data.
Final Exam Scores
Class
Frequency
51 - 6051 - 60
1010
61 - 7061 - 70
77
71 - 8071 - 80
1212
81 - 9081 - 90
1111
91 - 10091 - 100
1515
Calculate the sample standard deviation and sample variance for the following frequency distribution of final exam...
Calculate the sample standard deviation and sample variance for
the following frequency distribution of final exam scores in a
statistics class. If necessary, round to one more decimal place
than the largest number of decimal places given in the data.
Final Exam Scores
Class
Frequency
41 - 5241 - 52
1111
53 - 6453 - 64
66
65 - 7665 - 76
77
77 - 8877 - 88
1414
89 - 10089 - 100
99
Calculate the sample variance and sample standard deviation for the following frequency distribution of heights in...
Calculate the sample variance and sample standard deviation for
the following frequency distribution of heights in centimeters for
a sample of 8-year-old boys. If necessary, round to one more
decimal place than the largest number of decimal places given in
the data.
Heights in Centimeters
Class
Frequency
116.1 - 120.0
35
120.1 - 124.0
33
124.1 - 128.0
39
128.1 - 132.0
48
132.1 - 136.0
14
What is the sample variance and sample standard deviation?
Consider the below vector x, which you can copy and paste directly into Matlab. The vector...
Consider the below vector x, which you can copy and
paste directly into Matlab. The vector contains the final grades
for each student in a large linear algebra course.
x = [61 52 63 58 66 92 64 55 76 60 70 78 76 73 45 63
97 70 100 76 50 64 42 100 67 81 81 59 68 62 72 99 66 76 81 59 47 84
67 75 63 86 73 44 51 69 48 74 61...
1. The heart rates (beats per minute) of 20 people are as follows: 60 60 65...
1. The heart rates (beats per minute) of 20 people are as
follows:
60 60 65 66 66 67 70 72 75 76 76 77 80 80 81 82 82 84 85 86.
(a) Calculate the percentile rank for a person with a
score of 80.
(b) What does the percentile rank from (b)
mean?
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 5 minutes ago
asked 5 minutes ago
asked 12 minutes ago
asked 56 minutes ago
asked 56 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago
asked 2 hours ago