Search Result for "stratified sample":
Wordnet 3.0

NOUN (1)

1. the population is divided into strata and a random sample is taken from each stratum;
[syn: stratified sample, representative sample, proportional sample]



WordNet (r) 3.0 (2006):

stratified sample
    n 1: the population is divided into strata and a random sample
         is taken from each stratum [syn: stratified sample,
         representative sample, proportional sample]