GMA GMA Data Interpretation 2 — Questions and Answers
Question 1: A frequency table shows: Score 1–20: 5 students, 21–40: 12 students, 41–60: 18 students, 61–80: 10 students. How many students scored above 40?
- 18
- 28 (Correct answer)
- 30
- 22
Correct answer: 28
Students scoring above 40 = 41–60 (18) + 61–80 (10) = 28 students.
Question 2: A graph shows population growth: City A grew from 500,000 to 600,000 while City B grew from 300,000 to 390,000. Which city had a higher percentage growth?
- City A
- City B (Correct answer)
- Both grew equally
- Cannot be determined
Correct answer: City B
City A grew 20% while City B grew 30%, so City B had the higher percentage growth.
Question 3: A data table shows: Product X sold 150 units in Jan at $10 each, and 120 units in Feb at $12 each. In which month was total revenue higher?
- January (Correct answer)
- February
- Both months were equal
- Cannot be determined
Correct answer: January
January revenue = 150 × $10 = $1,500; February revenue = 120 × $12 = $1,440; January was higher.
Question 4: A histogram shows ages of 50 survey respondents: 18–25: 8, 26–35: 15, 36–45: 18, 46–55: 9. What percentage are between 26 and 45?
- 33%
- 60%
- 66% (Correct answer)
- 55%
Correct answer: 66%
(15 + 18) / 50 × 100 = 33 / 50 × 100 = 66%.
Question 5: A table compares two stores. Store A: 300 customers, $45 avg spend. Store B: 250 customers, $52 avg spend. Which store had higher total revenue?
- Store A (Correct answer)
- Store B
- Both are equal
- Cannot be determined
Correct answer: Store A
Store A = 300 × $45 = $13,500; Store B = 250 × $52 = $13,000; Store A had higher total revenue.
Question 6: A line graph shows test pass rates: 2019=72%, 2020=68%, 2021=75%, 2022=80%, 2023=78%. In which year did the pass rate first exceed the 2019 rate?
- 2020
- 2021 (Correct answer)
- 2022
- 2023
Correct answer: 2021
The 2019 pass rate was 72%; 2021's rate of 75% is the first year to exceed it.
A frequency table shows: Score 1–20: 5 students, 21–40: 12 students, 41–60: 18 students, 61–80: 10 students.
How many students scored above 40?