CAPE Applied Mathematics Unit 1 · 2015 · Paper 1 · Question Q5
Under which condition, for a population divided into strata, is it preferable to use stratified random sampling rather than simple random sampling?
- (A)Individuals in each strata are alike in many ways.
- (B)Large number of strata contains only a few individuals.
- (C)Individuals in each strata are very different.
- (D)Strata are of equal size and each individual is equally likely to be selected.
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