SSPO Data Analysis and Interpretation 3

Question 1

A crime analyst notices that robbery rates spike every Friday between 9 PM and midnight. This is an example of what type of pattern?

Accepted Answer

Temporal pattern

Answer

Spatial clustering

Answer

Random distribution

Answer

Demographic correlation

Question 2

A dataset of response times in minutes is: 4, 7, 3, 9, 5, 6, 3, 8, 3, 7. What is the mode?

Accepted Answer

3

Answer

5

Answer

6

Answer

7

Question 3

Monthly DUI arrests for a year total 144. If arrests are evenly distributed, what is the expected count per quarter?

Accepted Answer

36

Answer

12

Answer

48

Answer

24

Question 4

A heat map shows high crime concentration in the northeast sector of a city. Which analytical action is most appropriate next?

Accepted Answer

Investigate socioeconomic and environmental factors in that sector

Answer

Redistribute officers citywide equally

Answer

Ignore it as statistical noise

Answer

Only track future crimes citywide

Question 5

Crime data for five neighborhoods shows: A=55, B=30, C=45, D=70, E=25. What is the median crime count?

Accepted Answer

45

Answer

30

Answer

55

Answer

70

Question 6

An officer reviews a line graph showing crime trends over 10 years. The line rises steeply for 3 years then flattens. What does the flat portion suggest?

Accepted Answer

The rate of increase has slowed or stabilized

Answer

Crime is still increasing rapidly

Answer

Crime has completely disappeared

Answer

Data was not collected during that period

Question 7

A contingency table shows 120 traffic stops: 45 resulted in citations, 30 in warnings, 25 in arrests, and 20 in no action. What fraction of stops resulted in citations?

Accepted Answer

3/8

Answer

1/3

Answer

1/4

Answer

3/10