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GCSE
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More cards in this set
Card 6
Front
how does a biased sample affect validity
Back
Card 7
Front
what is external validity
Back
Card 8
Front
what is simple random sampling
Back
Card 9
Front
what is a sampling frame
Back
Card 10
Front
how is a simple random sample carried out
Back
Card 11
Front
what is a stratified sample
Back
Card 12
Front
an example of strata
Back
Card 13
Front
what is systematic sampling
Back
Card 14
Front
is systematic sampling random
Back
Card 15
Front
random sampling unrealistic
Back
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