英语词汇“stratified random sample”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	stratified random sample
释义	WordReference Random House Unabridged Dictionary of American English © 2024 strat′ified ran′dom sam′ple, [Statistics.] Statisticsa random sample of a population in which the population is first divided into distinct subpopulations, or strata, and random samples are then taken separately from each stratum.
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