| 单词 | stratified sample |
| 释义 | stratified sample (extremely rare) n WORD FAMILY stratified sample USAGE EXAMPLESTaking Part uses a proper randomised, stratified sample of households visited by trained interviewers. The Guardian(Apr 05, 2011) n the population is divided into strata and a random sample is taken from each stratum Syn|Hyper proportional sample, representative sample sample, sample distribution, sampling items selected at random from a population and used to test hypotheses about the population |
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