单词乎

stratified sampling

stratified sampling是什么意思、stratified sampling怎么读

stratified sampling汉语翻译

【计】 成层抽样
【经】 分层抽样

stratified sampling英语解释

名词 stratified sampling:

  1. the population is divided into subpopulations (strata) and random samples are taken of each stratum
    同义词:representative sampling, proportional sampling
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