What this quiz covers

Grade 9 Data Handling Quiz 2 draws its questions at random from 29 questions across these topics:

• Collecting data
• Organising data
• Summarising data
• Representing data
• Interpreting data

Example questions

A sample of the questions you will practise in this quiz. Work them out yourself - the full solution appears after you answer each one.

1. A school has 480 Grade 9 learners. A teacher surveys 60 of them. Which statement is correct?
2. A learner wants the most popular music genre among Grade 9s, but asks only the 10 friends in her friend group. Which sampling method is this?
3. A school has 900 learners. A researcher wants a systematic sample of 45. What interval should she use?
4. Which of these is a STATISTICAL question?
5. Which sampling method gives every member of the population an EQUAL chance of being chosen?