Year 10 - Maths
The Statistical Enquiry Cycle
Sampling
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
In this unit pupils will learn how to sample, and explore accuracy and limitations with various sampling strategies and data collection techniques.
Lesson Summary
You will learn to understand the stages of the Statistical Enquiry Cycle.
Key Notes
- Planning involves defining a question to investigate and what data to collect.
- Collecting involves designing collection methods.
- Processing and presenting involves calculating statistical measures and graphical representations.
- Interpreting involves reaching conclusions and making inferences.
- Communicating and evaluating involves identifying weaknesses and improvements.
Vocabulary To Learn
- Statistical Enquiry Cycle: The Statistical Enquiry Cycle is a cycle used to carry out a statistical investigation. There are five stages. This is an ongoing process as evaluation may lead to new/refined questioning.
Common Mistakes To Avoid
- Pupils may reach false conclusions by not following the Statistical Enquiry Cycle and skipping stages.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Planning involves defining a question to investigate and what data to collect. Collecting involves designing collection methods.
2. Use this key word in a maths sentence and explain it clearly. 'Statistical Enquiry Cycle'
The Statistical Enquiry Cycle is a cycle used to carry out a statistical investigation. There are five stages. This is an ongoing process as evaluation may lead to new/refined questioning. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Pupils may reach false conclusions by not following the Statistical Enquiry Cycle and skipping stages. Correction: Ask pupils to consider trying to draw conclusions from a large data set of raw values, where no processing or representation has taken place, to highlight the need for that stage in particular.
More Lessons In This Unit
- Advanced problem solving with sampling Study Guide
- Biased questioning Study Guide
- Capture/recapture sampling method Study Guide
- Checking understanding of statistical problems Study Guide
- Data collection Study Guide
- Problem solving with sampling Study Guide
- Sampling limitations Study Guide
- Sampling methods Study Guide
- Stratified sampling Study Guide
- Types of data Study Guide
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