NPOST Interpreting Tables, Charts and Data

Question 1

A table shows burglaries reported in a precinct: January 12, February 18, March 15, April 24. What is the total number of burglaries reported over the four months?

Accepted Answer

69

Answer

12 + 18 + 15 + 24 = 69.

Question 2

Using the same table (Jan 12, Feb 18, Mar 15, Apr 24), which month showed the greatest increase over the previous month?

Accepted Answer

April

Answer

The changes are Feb +6, Mar −3 and Apr +9. April has the largest increase.

Question 3

Out of 80 calls to dispatch in one evening, 24 were noise complaints. What percentage of the calls were noise complaints?

Accepted Answer

30%

Answer

24 ÷ 80 = 0.30, which is 30%.

Question 4

A pie chart of 600 monthly calls shows: Traffic 40%, Domestic disputes 25%, Theft 20%, Other 15%. How many calls were theft-related?

Accepted Answer

120

Answer

20% of 600 = 0.20 × 600 = 120.

Question 5

A chart shows incidents handled Monday through Friday: 8, 10, 6, 12 and 9. What is the average number of incidents per day?

Accepted Answer

9

Answer

The total is 8 + 10 + 6 + 12 + 9 = 45. Dividing by 5 days gives 9.

NPOST Police Test Practice Test

NPOST Police Test Practice Test

NPOST Interpreting Tables, Charts and Data