Ohio Civil Service Exam Data Interpretation and Analysis 2

Question 1

A bar chart shows quarterly budget expenditures: Q1=$42,000, Q2=$38,500, Q3=$51,200, Q4=$47,300. What is the average quarterly expenditure?

Accepted Answer

$45,750

Answer

Add all four quarters ($179,000) and divide by 4 to get $44,750 — wait, ($42,000+$38,500+$51,200+$47,300)=$179,000÷4=$44,750; the correct average is $44,750.

Question 2

A pie chart shows department staffing: Administration 25%, Operations 40%, Compliance 20%, IT 15%. If total staff is 200, how many are in Operations?

Accepted Answer

80

Answer

40% of 200 employees equals 80 employees in Operations.

Question 3

A line graph shows monthly complaints: Jan=45, Feb=52, Mar=39, Apr=61. Which month had the greatest increase from the previous month?

Accepted Answer

April

Answer

April increased by 22 (from 39 to 61), which is greater than February's increase of 7 or any other month-to-month change.

Question 4

A table shows permit processing times in days: Office A=12, Office B=8, Office C=15, Office D=9, Office E=11. What is the median processing time?

Accepted Answer

11

Answer

Arranged in order (8, 9, 11, 12, 15), the middle value is 11 days.

Question 5

A report shows that a county's population grew from 124,000 to 136,400. What is the percentage increase?

Accepted Answer

10%

Answer

The increase of 12,400 divided by the original 124,000 equals exactly 10%.

Ohio Civil Service Exam Practice Test

Ohio Civil Service Exam Practice Test

Ohio Civil Service Exam Data Interpretation and Analysis 2