This question is from the textbook and I had raised a request as the graph was not visible in your solution. The Cambridge Study in Delinquent Development was under-taken in north London to investigate the links between criminal behavior in young men and the socioeconomic factors of their upbringing. A cohort of 395 boys was followed for about 20 years, starting at the age of 8 or 9. The following table shows the total number of criminal convictions by the boys between the start and end of the study. Number of convictions Frequency 0 265 1 49 2 21 3 19 4 10 5 10 6 2 7 2 8 4 9 2 10 1 11 4 12 3 13 1 14 2 a) Display the frequency distribution in a graph. Which type of graph is most appropriate? (b) Describe the shape of the frequency distribution. Is it skewed or is it symmetric? If skewed, is it positively skewed or negatively skewed? Is it unimodal or bimodal? Are there outliers in the number of convictions?
This question is from the textbook and I had raised a request as the graph was not visible in your solution.
The Cambridge Study in Delinquent Development was under-taken in north London to investigate the links between criminal behavior in young men and the socioeconomic factors of their upbringing. A cohort of 395 boys was followed for about 20 years, starting at the age of 8 or 9. The following table shows the total number of criminal convictions by the boys between the start and end of the study.
|
Number of convictions |
Frequency |
|
0 |
265 |
|
1 |
49 |
|
2 |
21 |
|
3 |
19 |
|
4 |
10 |
|
5 |
10 |
|
6 |
2 |
|
7 |
2 |
|
8 |
4 |
|
9 |
2 |
|
10 |
1 |
|
11 |
4 |
|
12 |
3 |
|
13 |
1 |
|
14 |
2 |
a) Display the frequency distribution in a graph. Which type of graph is most appropriate?
(b) Describe the shape of the frequency distribution. Is it skewed or is it symmetric? If skewed, is it positively skewed or negatively skewed? Is it unimodal or bimodal? Are there outliers in the number of convictions?
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