Year 8 · Term 2–3
8.10 Sampling
Learning Objectives
Sampling
- 1. Distinguish between population, sample, census and survey.
- 2. Understand how sample size affects the reliability of inferences.
- 3. Apply random and stratified sampling techniques.
- 4. Design a survey with valid, non-biased questions.
- 5. Identify sources of bias in a sampling design and suggest improvements.
- 6. Collect data and clean a dataset (handling outliers, missing values, units).