Lesson 2d.02

2d.02 Interpret data related to rates of change over time (including, but not limited to,... Quiz: Pearson Edexcel Statistics, Unit 2

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 2d.02, Interpret data related to rates of change over time (including, but not limited to,...: 20 multiple choice questions for the Pearson Edexcel GCSE Statistics (1ST0), Unit 2: Processing, representing and analysing data, written with Revision Ninja.

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The 20 questions

  1. What is the crude birth rate formula?

    • (births x total population) / 1000
    • total population / births x 1000
    • (births / total population) x 1000
    • (births - deaths) / population x 1000

  2. A city has 5,000 births and a population of 250,000. What is the crude birth rate?

    • 200 per 1000
    • 50 per 1000
    • 20 per 1000
    • 2 per 1000

  3. A value rises from 80 to 100. What is the percentage change?

    • 25%
    • 20%
    • 125%
    • 80%

  4. A value falls from 200 to 150. What is the percentage change?

    • -50%
    • -25%
    • 25%
    • -33%

  5. A town's population grew from 40,000 to 42,000 in one year. What is the growth rate?

    • 4%
    • 5%
    • 0.5%
    • 2%

  6. On a graph of house prices over time, what does a flattening curve indicate?

    • Constant prices
    • Faster price increase
    • Slower price increase
    • Prices falling

  7. What does the gradient of a line on a change-over-time graph represent?

    • Cumulative sum
    • Total frequency
    • Average value
    • Rate of change

  8. A country has 3,600 births and a population of 1,200,000. What is the crude birth rate per 1000?

    • 3
    • 30
    • 300
    • 0.3

  9. A crude death rate of 9 per 1000 applies to a population of 80,000. How many deaths are expected?

    • 720
    • 90
    • 7200
    • 8.9

  10. Which formula gives percentage change?

    • (new - original) / original x 100
    • (original - new) / new x 100
    • (new - original) / new x 100
    • (new + original) / original x 100

  11. A price rises from £8 to £10, then falls to £9. What is the overall percentage change from the start?

    • +11%
    • +25%
    • +12.5%
    • 0%

  12. An unemployment rate falls from 6% to 4.5%. What is the percentage change in the rate?

    • -50%
    • -33%
    • -25%
    • -1.5 percentage points

  13. Why use crude birth rates per 1000 people instead of total birth counts?

    • Easier addition
    • Removes decimals
    • Prevents sampling bias
    • Fair comparison

  14. On a time-series graph, what does a steeper upward gradient indicate?

    • Slower increase
    • Decrease
    • Faster increase
    • Constant increase

  15. Population was 60,000 in 2000 and 66,000 in 2010. What is the percentage change?

    • 16.7%
    • 10%
    • 6%
    • 66%

  16. A crude birth rate of 12 per 1000 applies to a population of 500,000. How many births are expected?

    • 60000
    • 6000
    • 600
    • 5000

  17. A crude birth rate falls from 14 to 11 per 1000. What is the percentage fall?

    • 3%
    • 27%
    • 11%
    • About 21.4%

  18. A visitor graph has a gradient of 25 visitors per month. What does this mean?

    • Rise of 25 monthly
    • Peak of 25 visitors
    • Total of 25 visitors
    • Drop of 25 monthly

  19. A town's crude birth rate rises from 9.6 to 10.8 per 1000. What is the percentage increase?

    • 12.5%
    • 1.2%
    • 10.8%
    • 9.6%

  20. Between two years, deaths fell by 4% while the population rose by 2%. Roughly how did the crude death rate change?

    • 6% rise
    • About 5.9% fall
    • 2% rise
    • 2% fall

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