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單詞乎

stratified sampling

stratified sampling是什么意思、stratified sampling怎么讀

stratified sampling漢語翻譯

【計】 成層抽樣
【經(jīng)】 分層抽樣

stratified sampling英語解釋

名詞 stratified sampling:

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