Lesson S1.1.1

S1.1.1 Population, sample, census and sampling methods Quiz: Pearson Edexcel Maths, Unit 11

20 questions

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Lesson S1.1.1, Population, sample, census and sampling methods: 20 multiple choice questions for the Pearson Edexcel Maths (9MA0), Unit 11: Statistical sampling, written with Revision Ninja.

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The 20 questions

  1. What term describes the complete set of all items or people of interest?

    • Database
    • Sample
    • Population
    • Census
  2. What term describes a selection of observations taken from a subset of the population?

    • Population
    • Sample
    • Survey
    • Census
  3. What method involves observing or measuring every single member of a population?

    • Census
    • Pilot study
    • Random sample
    • Quota survey
  4. What is a major advantage of taking a census instead of a sample?

    • Completely accurate
    • Cheaper cost
    • Faster results
    • Easily managed
  5. What is a primary disadvantage of conducting a census?

    • Time consuming
    • High bias
    • Low accuracy
    • Small data size
  6. Which sampling method gives every sample of size n an equal chance of selection?

    • Stratified
    • Opportunity
    • Simple random
    • Quota sampling
  7. When using a sampling frame for random sampling, what does each individual item need?

    • Postal address
    • Equal weighting
    • A unique number
    • Stratum tag
  8. What sampling method divides the population into mutually exclusive groups and samples proportionally?

    • Random
    • Systematic
    • Cluster
    • Stratified
  9. If a population has 200 males and 300 females, how many males are sampled in a 50-person stratified sample?

    • 25
    • 20
    • 15
    • 30
  10. Which sampling method selects members at regular intervals from an ordered list?

    • Systematic sampling
    • Quota sampling
    • Random sampling
    • Cluster sampling
  11. What is a key risk when using systematic sampling with periodically recurring data?

    • Complex maths
    • Higher cost
    • Incomplete frames
    • Introduction of bias
  12. Which sampling method relies on choosing people who are easiest to reach?

    • Opportunity sampling
    • Quota sampling
    • Systematic
    • Stratified
  13. Which sampling method involves a researcher interviewing people with specific assigned frequencies?

    • Stratified
    • Simple random
    • Systematic
    • Quota sampling
  14. Why might data collected from an opportunity sample be unreliable?

    • It is random
    • It is exhaustive
    • SampleSize is large
    • It is biased
  15. What is a key difference between quota sampling and stratified random sampling?

    • Data type
    • Use of strata
    • Non-random selection
    • Sample size
  16. What do we call the list of all sampling units in a population?

    • Sampling frame
    • Data matrix
    • Population map
    • Survey register
  17. Which data type is collected directly from the units of a population?

    • Census data
    • Grouped data
    • Primary data
    • Secondary data
  18. What type of data is gathered from books, websites, or previous official statistics?

    • Sample data
    • Primary data
    • Secondary data
    • Raw data
  19. If a sample size is 30 from a population of 300, what is the sampling fraction?

    • 30%
    • 3%
    • 10%
    • 1%
  20. Which term describes a characteristic of a population, such as its mean?

    • Sample value
    • Parameter
    • Variable
    • Statistic

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