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general maths - question 23 (1 Viewer)

123gill88

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Joined
Jul 19, 2006
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6
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Female
HSC
2006
someone wsaying sytematic and stratified sample tc. for the options that would be appropriate to select students however this is not a random ample, this is a stratified or systematic!!!! random sampling is another type of sampling separate from these. if you choose them from demopgrahics (stratified) then for example they are fromthe same group of people, girls in year 7 are likely tosay the same thing. therefore it is not random. i looked in books as well as aske my tutor.
sorry :(
 

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