Sample and population

- what is a sample?

A sample is when you take a small amount of data and times it by 4 to find information.

- why take a sample?

To find out what is happening in the world for example I will take a sample from our rivers to see if it is safe to swim in.

- what are some examples of sampling done irl?

Is there enough chocolate chips in our chocolate chip cookies.

- what does the word ‘population’ mean?

Population means the amount of people or things that you sample asks.

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

Ask if its fair or bias to your self, for example 

Is it safe for bikers to be on the foot path
population: the bikers 

Fair or Bias 


- what sized sample is representative?
It is how much information you get when you are gathering the population.