Results for « 层级样本 » (cmn)
06027051-n
层级 样本, 分层 样本, 层级样本, 分层样本
stratified sample, representative sample, proportional sample
     [in statistics] the population is divided into strata and a random sample is taken from each stratum

Langs:
Seen Lemmas: 有机 化学; romanzare; defenestrazione; idealis;
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