01 / QUICK RECAP
Connect the ideas.
- Define the variable and group before collecting observations.
- A frequency table must count every valid observation once.
- Read the graph key, scale and units before interpreting a display.
- Mean, median and mode describe different ideas of centre; range describes spread.
- Compare distributions using context, centre, spread, shape and unusual observations.
- Check unusual records; do not automatically delete genuine outliers.
- A conclusion must match the question, group, variable and collection method.
02 / TOPIC TEST
Put it together.
Choose a paper and show your working.
Statistics topic test
A progressively demanding Year 7 paper covering variables, displays, averages, comparisons and fair conclusions.
15 questions · 43 marks · 45 minutes · By hand
Curriculum reference & lesson scope
Australian Curriculum v9 / South Australian Mathematics Curriculum
Year 7 statistical variables, representations, summary statistics, outliers and an original small investigation; deeper sampling methods develop in Year 8.
Official curriculum source ↗