S2 Populations and Samples Edexcel

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Populations and samples

It is important to know the definition of all these term because often there are a few marks on these in the exam.

Populationcollection of individual people or items. e.g manufactured items, plants,members of a club.

-Finite size when you can count the population accurately

-Infinate size id it's immpossible to know exactly how many members of the population there are. e.g sand grains on a beach

Census- investigation that obtains information from a population.


  • every single member of the population is used
  • it is unbias
  • it gives an accurate answer


  • it…


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