GRE Data Interpretation Questions 3 — Questions and Answers
Question 1: A graph shows quarterly revenue of $2M, $3M, $5M, and $4M. What is the average quarterly revenue?
- $3.0M
- $3.5M (Correct answer)
- $4.0M
- $4.5M
Correct answer: $3.5M
(2 + 3 + 5 + 4)/4 = 14/4 = $3.5M.
Question 2: A table shows 200 surveyed people, 30% prefer tea and the rest prefer coffee. How many prefer coffee?
- 60
- 120
- 140 (Correct answer)
- 170
Correct answer: 140
70% of 200 = 140 prefer coffee.
Question 3: A histogram has bins with frequencies 4, 8, 12, 6. What percent of data falls in the third bin?
- 20%
- 30%
- 40% (Correct answer)
- 50%
Correct answer: 40%
12 out of 30 total equals 40%.
Question 4: A double bar graph shows 2023 profit of $80k and 2024 profit of $100k. What is the percent growth?
- 20%
- 25% (Correct answer)
- 30%
- 80%
Correct answer: 25%
(100 − 80)/80 = 20/80 = 25%.
Question 5: A pie chart divides 360 degrees so that one sector is 90 degrees. What percent of the whole does it represent?
- 20%
- 25% (Correct answer)
- 30%
- 40%
Correct answer: 25%
90/360 = 1/4 = 25%.
Question 6: A dataset has values 12, 15, 15, 18, 20. What is the mode?
- 12
- 15 (Correct answer)
- 16
- 18
Correct answer: 15
15 appears most frequently, making it the mode.
Question 7: A line graph shows temperature rising from 50°F to 86°F over a day. What is the range?
- 18°F
- 36°F (Correct answer)
- 50°F
- 86°F
Correct answer: 36°F
86 − 50 = 36°F is the range.
A graph shows quarterly revenue of $2M, $3M, $5M, and $4M.
What is the average quarterly revenue?