Plan a fair statistical investigation
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A survey asks, “Don’t you agree our wonderful new lunch menu is best?” What should be improved?
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Answer: Use neutral wording.
- The wording encourages agreement rather than measuring opinion fairly.
- Keep the conclusion proportional to the evidence and report uncertainty.
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Curriculum reference
Victorian Curriculum F–10 Version 2.0
Pi Leo practice scope
Ask a clear question, select a suitable sample and report evidence with uncertainty.
Read the official VCAA curriculum description (VC2M8ST04)
These quizzes practise concepts within this topic. Multiple-choice answers alone do not demonstrate drawing, conducting an investigation or using a digital tool.
Activities to practise beyond the quiz
- Supported by the guided activity; selecting an MCQ does not demonstrate this action.
- VC2M8ST04-C01Plan ethical, practical sampling and data collection.
- VC2M8ST04-C02Make sample-based inferences while acknowledging uncertainty.
- VC2M8ST04-C03Conduct a statistical investigation, make ethical decisions and report findings and uncertainty.
- VC2M8ST04-C04Apply and explain plan a fair statistical investigation using calculate and explain each step.
- VC2M8ST04-C05Apply and explain plan a fair statistical investigation using compare evidence and check a claim.
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Subskills
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Descriptor-derived subskills
- D01A clear question and a fair methodPlan ethical, practical sampling and data collection.
- D02Report findings and limitationsMake sample-based inferences while acknowledging uncertainty.
- D03Calculate and explain each stepApply and explain plan a fair statistical investigation using calculate and explain each step.
- D04Compare evidence and check a claimApply and explain plan a fair statistical investigation using compare evidence and check a claim.