8.10 Sampling

Sampling

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