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(x) Frequency(f) 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     Is it unimodal or bimodal? Are there outliers in the number of convictions? Calculate the interquartile range of the number of convictions

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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(x)

Frequency(f)

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

 

 

  1. Is it unimodal or bimodal? Are there outliers in the number of convictions?
  2. Calculate the interquartile range of the number of convictions.

 

P.S.Your team had calculated median as  1 and mode as 0

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