Tuesday 3 June 2014

Sample

What is a sample?
A sample is when you get a piece of information from people eg: A police man mite take a sample from your breath.

Why take a sample?
We take samples because its fast, cheep and its easy than asking everyone

What are some examples of sampling done irl?
Breath tests
Blood Test
Thats your favourite food

What does the word population mean?
Population is the amount of something eg: What is the population of Room 42
31









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