Question
In: Statistics and Probability
Use the accompanying data set on the pulse rates (in beats per minute) of males to...
Use the accompanying data set on the pulse rates (in beats per
minute) of males to complete parts (a) and (b) below.
|
80 |
82 |
|
|
83 |
62 |
|
|
93 |
83 |
|
|
74 |
77 |
|
|
50 |
84 |
|
|
59 |
72 |
|
|
53 |
90 |
|
|
59 |
43 |
|
|
64 |
64 |
|
|
64 |
79 |
|
|
51 |
62 |
|
|
55 |
68 |
|
|
74 |
82 |
|
|
52 |
80 |
|
|
80 |
72 |
|
|
76 |
59 |
Find the mean and standard deviation, and verify that the pulse rates have a distribution that is roughly normal.
Explain why the pulse rates have a distribution that is roughly normal. Choose the correct answer below.
A.
The pulse rates have a distribution that is normal because none of the data points are greater than 2 standard deviations from the mean.
B.
The pulse rates have a distribution that is normal because the mean of the data set is equal to the median of the data set.
C.
The pulse rates have a distribution that is normal because none of the data points are negative.
D.
The pulse rates have a distribution that is normal because a histogram of the data set is bell-shaped and symmetric.
Solutions
Expert Solution
Above problem is solved using Minitab, Output of Minitab is attached below
Option D is correct.
D.
The pulse rates have a distribution that is normal because a histogram of the data set is bell-shaped and symmetric.
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orchestra answered 1 year agoRelated Solutions
The accompanying data represent the pulse rates (beats per minute) of nine students enrolled in a...
The accompanying data represent the pulse rates (beats per
minute) of nine students enrolled in a statistics course. Treat the
nine students as a population. Complete parts (a) through
(b).
Student
Pulse
Perpectual_Bempah
78
Megan_Brooks
75
Jeff_Honeycutt
85
Clarice_Jefferson
71
Crystal_Kurtenbach
85
Janette_Lantka
73
Kevin_McCarthy
89
Tammy_Ohm
71
Kathy_Wojdya
82
(a) Compute the population standard deviation.
sigma equalsσ=nothing
beats per minute
(Round to one decimal place as needed.)
(b) Determine the sample standard deviation of
the following three simple random...
The accompanying data represent the pulse rates (beats per minute) of nine students. Treat the nine...
The accompanying data represent the pulse rates (beats per
minute) of nine students. Treat the nine students as a population.
Compute the z-scores for all the students. Compute the mean and
standard deviation of these z-scores.
STUDENT
PULSE
student
1
77
student
2
61
student
3
60
student
4
80
student
5
73
student
6
80
student
7
80
student
8
68
student
9
73
Compute the z-scores for all the students. complete the table.
(round to the nearest...
The accompanying data represent the pulse rates (beats per minute) of nine students. Treat the nine...
The accompanying data represent the pulse rates (beats per
minute) of nine students. Treat the nine students as a population.
Compute the z-scores for all the students. Compute the mean and
standard deviation of these z-scores.
Student Pulse
Student 1 77
Student 2 60
Student 3 60
Student 4 80
Student 5 72
Student 6 80
Student 7 80
Student 8 68
Student 9 73
Compute the mean of these z-scores.
The mean of the z-scores is
(Round to the...
The accompanying data represent the pulse rates (beats per minute) of nine students. Treat the nine...
The accompanying data represent the pulse rates (beats per
minute) of nine students. Treat the nine students as a population.
Compute the z-scores for all the students. Compute the mean and
standard deviation of these z-scores. Compute the z-scores for
all the students. Complete the table.
Student 1 .
Student 2
Student 3
Student 4
Student 5
Student6
Student 7
Student 8
Student 9
(Round to the nearest hundredth as needed.) Compute the mean
of these z-scores.
The mean of...
Consider the following data set giving the pulse rates (in beats per minute) of a random...
Consider the following data set giving the pulse rates (in beats
per minute) of a random sample of ten students enrolled in a
Statistics class
76 60 60 81 72 80 68 73 80 60
Find the following values for the given sample data. You may use
a calculator.
a. Mean __________
b. Median __________
c. Mode __________
d. Inter Quartile Range__________
e. Standard deviation __________
f. Outliers __________
The data below shows height (in inches) and pulse rates (in beats per minute) of a...
The data below shows height (in inches) and pulse rates (in
beats per minute) of a random sample of women. Answer parts
a-c.
height (x)
61.6
63.8
60.1
60.1
59.1
60.9
59.5
60.5
67.5
59.5
67.5
62.8
pulse rate (y)
78
74
87
63
71
65
82
60
65
65
80
80
a. Find the value of the linear correlation coefficient r.
b. Find the critical values of r from the table showing the
critical values for the Pearson correlation...
The data below shows height (in inches) and pulse rates (in beats per minute) of a...
The data below shows height (in inches) and pulse rates (in
beats per minute) of a random sample of women. Find the value of
the linear correlation coefficient r, using a significance level of
0.05 Is there sufficient evidence to conclude that there is a
linear correlation between height and pulse rate?
Height | Pulse Rate
61.7 80
64.3 74
60.1 89
60.3 61
59.3 75
61.5 66
59.6 83
61.1 61
67.5 68...
The data below shows height (in inches) and pulse rates (in beats per minute) of a...
The data below shows height (in inches) and pulse rates (in
beats per minute) of a random sample of women. Construct a
scatterplot, find the value of the linear correlation coefficient
r, and find the P-value using alphaequals0.05. Is there sufficient
evidence to conclude that there is a linear correlation between
height and pulse rate?
Full data set
height (x)
64.7
66.9
61.2
60.5
59.6
63.8
59.7
63.2
67.6
60.3
pulse rate (y)
79
71
86
60
70
66...
Listed below are pulse rates (beats per minute) from samples of adult males and females. Does...
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 90 71 62 70 69 50 64 54 84 70 60
60 100 57 64 Female 64 81 80 70 72 85 87 84 86 89 93 72 87 78 77
The coefficient of variation for the male pulse rates is nothing%....
13. The data below shows height (in inches) and pulse rates (in beats per minute) of...
13. The data below shows height (in inches) and pulse rates
(in beats per minute) of a random sample of women. Construct a
scatterplot, find the value of the linear correlation coefficient
r, and find the P-value using a=0.05. Is there sufficient evidence
to conclude that there is a linear correlation between height and
pulse rate?
height_(x)
pulse_rate_(y)
61.2 75
67.8 73
60.1 88
60.1 64
59.3 71
60.9 70
59.5 83
60.8 65
67.8 67
59.9 70
67.9 84...
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