Sampling

- What is a sample? 

A sample is a piece of information that you got from the population.

- Why take a sample? 

Because for example if you were taking blood off somebody you would kill them if you took all of their blood but if you take a sample they wouldn't but they might get a bit dizzy.

- What does the word ‘population’ mean?

The word population means the whole amount e.g. if you were taking a sample of how many student use their bikes to get to school in NZ, the population would be all of the kids in NZ.

- How can you tell if are you sampling the right population?

By having a mixture of people also called random sampling