Lesson 2h.01

2h.01 Use calculated or given summary statistical data to make estimates of population... Quiz: Pearson Edexcel Statistics, Unit 2

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

In partnership with Revision Ninja

Lesson 2h.01, Use calculated or given summary statistical data to make estimates of population...: 20 multiple choice questions for the Pearson Edexcel GCSE Statistics (1ST0), Unit 2: Processing, representing and analysing data, written with Revision Ninja.

Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.

Host this setFree Play

The 20 questions

  1. Given a sample median, approximately what proportion of the population lies above it?

    • One quarter
    • Three quarters
    • The whole set
    • One half

  2. What can a sample proportion be directly used to estimate?

    • Population mean
    • Standard deviation
    • Population proportion
    • Sample median

  3. Which statistic is typically used as the best estimate of a population mean?

    • Sample median
    • Sample mode
    • Sample mean
    • Sample range

  4. A sample of 80 people has 20 who wear glasses. What is the sample proportion?

    • 0.5
    • 0.2
    • 0.33
    • 0.25

  5. How is a statistical sample best described when used for estimation?

    • Single measurement
    • Entire population
    • Subset of population
    • Control group

  6. In population estimation, 'approximately half' relates to which summary value?

    • Sample range
    • Sample median
    • Sample mean
    • Sample mode

  7. Which statement correctly describes the use of sample proportions?

    • Eliminate all bias
    • Measure exact parameters
    • Replace population totals
    • Estimate population proportions

  8. A sample of 60 students has median 14 years. The population has 2000 students. About how many students are above 14?

    • About 1000
    • About 14
    • About 600
    • About 1400

  9. A survey of 250 adults found 105 own a car. About how many of 40000 adults own a car?

    • 10500
    • 42000
    • 16800
    • 95238

  10. The mean of a sample of 50 batteries is 2.4 hours. What is the best estimate of the population mean lifetime?

    • 0.48 hours
    • 50 hours
    • 2.4 hours
    • 1.2 hours

  11. If a sample median is 62 for 300 students, how many likely scored above 62?

    • About 150
    • Exactly 62
    • About 300
    • About 75

  12. In a sample of 90 products, 18 are faulty. About how many of 6000 products would be faulty?

    • 3000
    • 18
    • 300
    • 1200

  13. A sample of 120 children has a mean height of 130 cm. What can be estimated?

    • Maximum height 130 cm
    • Exact population mean
    • Population mean 130 cm
    • All heights 130 cm

  14. A sample from a town shows 30% own a pet. About how many of 12000 residents own a pet?

    • 4000
    • 3600
    • 360
    • 30000

  15. A sample gives a median of 40 and a mean of 45. What is the estimated population mean?

    • 5
    • 85
    • 40
    • 45

  16. Between samples of 50 and 500, which provides a more reliable estimate?

    • Both equal
    • Neither
    • Sample of 50
    • Sample of 500

  17. Why is the term 'approximately' used when estimating a population median?

    • Wrong sample size
    • Biased data
    • Maths error
    • Sample uncertainty exists

  18. A sample proportion of 0.15 is found from 400 people. Estimate the number in a population of 10000 with the feature.

    • 150
    • 1500
    • 667
    • 15000

  19. Why might the median be preferred over the mean for right-skewed data?

    • Calculated more quickly
    • Always equals the mode
    • Uses every data value
    • Less affected by extremes

  20. A sample of 100 has a mean of 50. What is 50 considered as an estimate?

    • Population median
    • Exact value
    • Best single estimate
    • Maximum value

All Pearson Edexcel Statistics quizzes