Question
In: Statistics and Probability
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%. (Type an integer or decimal rounded to one decimal place as needed.) The coefficient of variation for the female pulse rates is nothing%. (Type an integer or decimal rounded to one decimal place as needed.) Compare the variation. The coefficients of variation for each data set are ▼ Therefore, the male pulse rates vary ▼ the female pulse rates.
Solutions
orchestra answered 1 year agoRelated Solutions
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...
Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69.4...
Claim: The mean pulse rate (in beats per minute) of adult
males is equal to 69.4 bpm. For a random sample of 170adult males,
the mean pulse rate is 70.6 bpm and the standard deviation is 11.4
bpm. Complete parts (a) and (b) below.
Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69...
Claim: The mean pulse rate (in beats per minute) of adult
males is equal to 69 bpm. For a random sample of 141 adult males,
the mean pulse rate is 68.5 bpm and the standard deviation is 10.6
bpm. Find the value of the test statistic.
Claim: Fewer than 90% of adults have a cell phone. In a
reputable poll of 1190 adults, 81% said that they have a cell
phone. Find the value of the test statistic.
claim: the mean pulse rate (in beats per minute )of adult males us equal to 69.5...
claim: the mean pulse rate (in beats per minute )of
adult males us equal to 69.5 bpm. for a random sample if 128 adult
males, the mean pulse rate us 70.6 bpm and the standard deviation
is 10.8 bpm. complete parts (a) and (b) below. a.Express the
original claim in symbolic form.
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...
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...
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...
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 0.05 significance level.
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 than76 bpm. Use 0.05 significance level.
What are the null and alternative? hypotheses?
What is the test statistic?
What is the P-value?
State the final conclusion that addresses the original claim. Reject or Fail to reject? Is sufficient or not sufficient? Is it greater than, less than...
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