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a method of selecting a sample (ran′dom sam′ple) from a statistical population so that every sample that could be selected has a predetermined probability of being selected.
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|Noun||1.||random sampling - the selection of a random sample; each element of the population has an equal chance of been selected|
sampling - (statistics) the selection of a suitable sample for study
lucky dip - a selection or decision purely at random; "their system of hiring people seemed to be a sort of lucky dip"