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Edexcel GCSE Statistics The collection of data overview quiz quiz

12questions. Pick an answer and you'll see why right away.

  1. Which of these is the correct order of the statistical enquiry cycle?

  2. Which of these is an example of continuous data?

  3. A college of 12001200 students has 480480 in Year 12. In a stratified sample of 5050, how many Year 12 students should be chosen?

  4. Which response boxes are correctly designed for a closed question?

  5. What is the purpose of a pilot survey?

  6. Which sampling method takes every nnth item from a list after a random start?

  7. Why does an online-only survey about internet use risk being biased?

  8. In an experiment testing whether fertiliser increases plant growth, what is the explanatory variable?

  9. Which statement about a census and a sample is correct?

  10. Which technique helps people answer a sensitive question honestly?

  11. Which of these is ranked (ordinal) data?

  12. What is one disadvantage of grouping numerical data into class intervals?