Tuesday 3 June 2014

Statistics Lesson

what is a sample?
 A sample is give some example from hole things.



- why take a sample?

because it is easy to get few pieces(sample) than the hole things,
and it's takes to long to do it.

- what are some examples of sampling done irl?
  • Taking a blood sample.
  • Testing the food before serving.
  • buy some stuff after used sample stuff.



- what does the word ‘population’ mean?
The population of a country or area is all the people who live in it



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

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