Lesson Y8-U03-L03

Averages and Spread: Mean, Median, Mode and Range Quiz: KS3 Geography, Unit 9

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson Y8-U03-L03, Averages and Spread: Mean, Median, Mode and Range: 20 multiple choice questions for the KS3 Geography (National Curriculum), Unit 9: Year 8: Development and Global Inequality, written with Revision Ninja.

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The 20 questions

  1. How do you calculate the mean of a set of numerical values?

    • Sum divided by count
    • Most frequent value
    • Middle ordered value
    • Range of the data

  2. What statistical average is the middle value when data is ordered numerically?

    • Median
    • Range
    • Mode
    • Mean

  3. What term describes the value that appears most frequently in a data set?

    • Mode
    • Mean
    • Median
    • Range

  4. How is the range of a data set calculated?

    • Add all values
    • Divide by count
    • Highest minus lowest
    • Find the middle

  5. What does a large range indicate about a data set?

    • Equal distribution
    • A high average
    • Low data spread
    • High data spread

  6. What term describes unfair differences in wealth and services between people?

    • Distribution
    • Anomalies
    • Development
    • Inequality

  7. Which measure is the everyday word 'average' that most people use?

    • Mode
    • Median
    • Mean
    • Range

  8. What must you do to numbers before finding the median?

    • Square each value
    • Calculate range
    • Find the mean
    • Order them

  9. Find the mean of 2, 4 and 9.

    • 4
    • 15
    • 6
    • 5

  10. Find the median of 12, 3, 9, 7 and 20.

    • 12
    • 7
    • 10
    • 9

  11. What is the mode of 4, 8, 8, 8, 10 and 10?

    • 10
    • 8
    • 4
    • 6

  12. What is the range of life expectancies 58, 64, 71 and 79 years?

    • 13 years
    • 21 years
    • 58 years
    • 137 years

  13. Which data set shows the greatest level of inequality?

    • 45 and 55
    • 10 and 12
    • 1 and 90
    • 50 and 52

  14. Norway's poorest group earns 22 and its richest earns 75 (in the same units). What is the range?

    • 75
    • 97
    • 22
    • 53

  15. A data set with a poorest figure of 1 and richest of 90 has what kind of range?

    • Very large range
    • Very small range
    • Negative range
    • Zero range

  16. Find the mean of incomes 30, 30, 30 and 90.

    • 45
    • 60
    • 30
    • 40

  17. If two villages have the same mean income, what statistical measure might still differ?

    • The total sum
    • The range
    • The mean value
    • The sample size

  18. Why might a government report both the mean and the range together?

    • To show spread
    • To hide poverty
    • To double taxes
    • To save time

  19. What does it suggest if a country's mean income and range both rise?

    • Decreasing inequality
    • Growing inequality
    • Lower GDP
    • Falling population

  20. What is the main limitation of using the mean alone to judge national wealth?

    • Ignores total GDP
    • Always equals zero
    • Hides inequality
    • Hard to calculate

All KS3 Geography quizzes