Meaning of STRATIFIED SAMPLE

WordNet Dictionary
	Definition:		[n]  the population is divided into strata and a random sample is taken from each stratum
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	Synonyms:		proportional sample, representative sample
	See Also:		sample, sample distribution
Glossary
	Definition:		a sample obtained by the process of dividing a population into categories representing distinctive characteristics and then selecting a random sample from each category.
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