Civil Service Exam Reviewer · Data Interpretation · medium

Town Population Growth

Study the line graph below. It shows a town's population from 2021 to 2025. Use it to answer the questions that follow.

What was the average annual increase from 2021 to 2025?

  1. 780
  2. 975
  3. 1,050
  4. 900

Answer

B. 975

Solution

Total increase 3,900 over 4 yearly steps: 3,900 ÷ 4 = 975. (Dividing by 5 years is a common error.)

More Data Interpretation questions

  1. By how much did the population increase from 2021 to 2025?
  2. In which year was the increase over the previous year the LARGEST?
  3. If each visitor spends an average of ₱350, how much more revenue did the store earn on Saturday than on Monday?
  4. What was the average number of visitors per WEEKDAY (Monday to Friday)?
  5. What percent of the week's visitors came on the weekend (Saturday and Sunday)?
  6. What was the total number of visitors for the week?
  7. On which day did the store have the MOST visitors?
  8. What is the ratio of respondents preferring motorcycles and tricycles combined to those preferring jeepneys and buses combined?
  9. If 30% of the jeepney riders switch to the bus, what will the bus's new share be?
  10. How many MORE respondents prefer the jeepney than walking?

All Data Interpretation questions