Connect the ideas
Define population, variable, period and measurement rules before collection.
Use an appropriate selection method and identify possible bias/non-response.
Match displays and summaries to the variable, shape and purpose.
State quartile and SD conventions when they matter.
Investigate unusual values without hiding genuine relevant observations.
Conclude in context with numbers, units and specific limitations.
Practice tests
Complete each paper and show your working.
Statistics topic test 1
10 questions · 40 marks · 65 minutes · Scientific calculator
Statistics topic test 2
10 questions · 40 marks · 65 minutes · Scientific calculator
Statistics topic test 3
10 questions · 40 marks · 65 minutes · Scientific calculator
Statistics topic test 4 — service investigation
10 questions · 40 marks · 65 minutes · Scientific calculator
Statistics topic test 5 — design, evidence and limitations
10 questions · 40 marks · 65 minutes · Scientific calculator
