01 / QUICK RECAP
Connect the ideas.
- Define population and frame before selecting units.
- Distinguish census, sample and missing responses.
- Association alone does not establish cause.
- Use suitable displays and transparent summaries.
- Larger random samples usually reduce variation but do not repair bias.
- Report conclusions with limitations.
02 / TOPIC TEST
Put it together.
Choose a paper and show your working.
Year 8 Statistics and sampling — Topic test
Progressive questions combine techniques, interpretation and reasoned applications. All practice data are supplied.
15 questions · 39 marks · 45 minutes · By hand
Curriculum reference & lesson scope
Australian Curriculum v9 and SA Curriculum
Population, census and sample; observational versus experimental data; random and non-random sampling; primary/secondary data; reviewing numerical displays and summary statistics; comparing samples and sample sizes; bias, variation and uncertainty; planning, conducting and reporting a fair investigation.
Official curriculum source ↗