Understand and use the terms ‘population’ and ‘sample’.

Use samples to make informal inferences about the population.

Students will be expected to comment on the advantages and disadvantages associated with a census and a sample.

Understand and use sampling techniques, including simple random sampling and opportunity sampling.

Students will be expected to be familiar with: simple random sampling, stratified sampling, systematic sampling, quota sampling and opportunity (or convenience) sampling.

Select or critique sampling techniques in the context of solving a statistical problem, including understanding that different samples can lead to different conclusions about the population.

Terms and definitions Sampling techniques Using sampling techniques