Many people believe that crime rate declines with age. a) Use the data below to verify whether this is true using a scatterplot. b) Is the relationship between crime rate and age strong, medium, or weak? c) Can the correlation coefficient be used to measure the extent to which crime rate is related to age? E Click the icon to view the data. a) Choose the correct scatterplot below. O A. ов. OC. OD. 8 20,000- 8 20,000어 8 20,000어 8 20,000에 60 Age 60 Age 60 Age 60 Age Does it appear that the crime rate declines with age? O A. The crime rate tends to gradually increase with age. O B. The crime rate tends to increase until middle age, after which it gradually declines. O C. The crime rate tends to gradually decrease with age. O D. The crime rate tends to increase until adulthood, after which it gradually declines. b) Is the relationship between crime rate and age strong, medium, or weak? O A. The scatterplot appears to show a weak relationship. O B. The scatterplot appears to show a strong relationship. OC. The scatterplot appears to show a medium relationship. O D. The scatterplot appears to show no relationship. c) Can the correlation coefficient be used to measure the extent to which crime rate is related to age? O A. No, because the Linearity Condition is not met. O B. No, because the Outlier Condition is not met. O C. No, because the Quantitative Variables Condition is not met. O D. Yes, because all of the correlation conditions are met.
Many people believe that crime rate declines with age. a) Use the data below to verify whether this is true using a scatterplot. b) Is the relationship between crime rate and age strong, medium, or weak? c) Can the correlation coefficient be used to measure the extent to which crime rate is related to age? E Click the icon to view the data. a) Choose the correct scatterplot below. O A. ов. OC. OD. 8 20,000- 8 20,000어 8 20,000어 8 20,000에 60 Age 60 Age 60 Age 60 Age Does it appear that the crime rate declines with age? O A. The crime rate tends to gradually increase with age. O B. The crime rate tends to increase until middle age, after which it gradually declines. O C. The crime rate tends to gradually decrease with age. O D. The crime rate tends to increase until adulthood, after which it gradually declines. b) Is the relationship between crime rate and age strong, medium, or weak? O A. The scatterplot appears to show a weak relationship. O B. The scatterplot appears to show a strong relationship. OC. The scatterplot appears to show a medium relationship. O D. The scatterplot appears to show no relationship. c) Can the correlation coefficient be used to measure the extent to which crime rate is related to age? O A. No, because the Linearity Condition is not met. O B. No, because the Outlier Condition is not met. O C. No, because the Quantitative Variables Condition is not met. O D. Yes, because all of the correlation conditions are met.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:Crime rate per
100,000 population
Crime rate per
100,000 population
Age in years
Age in years
12
2,3332
34
5,851.8
13
3,918.8
35
5,716.1
14
6,846.2
36
5,522.7
15
10,008.6
37
5,641.7
16
12,755.9
38
5,582.5
17
14,814.1
39
5,366 2
18
14,406.7
40
5,523.5
19
13,833.7
41
4,950.4
20
12,533.1
42
5,315.9
21
12,120.1
43
5,089.3
22
11,180.2
44
4,533.3
23
10,649.1
45
4,5332
24
9,369.1
46
4,171.9
25
9,2422
47
3,990.9
26
8,798.2
48
3,862 2
27
7,856.6
49
3,336 2
28
7,625.7
50
3,130.5
29
7,277.1
51
3,000.4
30
6,999.7
52
2,485 2
31
6,638.1
53
2,494.8
32
6,715.1
54
2,173.5
33
6,030.9
Transcribed Image Text:Many people believe that crime rate declines with age.
a) Use the data below to verify whether this is true using a scatterplot.
b) Is the relationship between crime rate and age strong, medium, or weak?
c) Can the correlation coefficient be used to measure the extent to which crime rate is related to age?
E Click the icon to view the data.
a) Choose the correct scatterplot below.
O A.
В.
OC.
OD.
8 20,0004
8 20,0004
8 20,000-
है 20.000-
0-
0++
60
60
Age
60
60
Age
Age
Age
Does it appear that the crime rate declines with age?
O A. The crime rate tends to gradually increase with age.
O B. The crime rate tends to increase until middle age, after which it gradually declines.
O C. The crime rate tends to gradually decrease with age.
O D. The crime rate tends to increase until adulthood, after which it gradually declines.
b) Is the relationship between crime rate and age strong, medium, or weak?
O A. The scatterplot appears to show a weak relationship.
O B. The scatterplot appears to show a strong relationship.
OC. The scatterplot appears to show a medium relationship.
O D. The scatterplot appears to show no relationship.
c) Can the correlation coefficient be used to measure the extent to which crime rate is related to age?
O A. No, because the Linearity Condition is not met.
O B. No, because the Outlier Condition is not met.
C. No, because the Quantitative Variables Condition is not met.
O D. Yes, because all of the correlation conditions are met.
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