“stratified sampling”的概念、定义、翻译、参考文献-科学参考

　

单词	stratified sampling
释义	stratified sampling Encyclopedia 理学【核心概念】释 stratified sampling分层抽样将总体单元按其属性特征分成若干类型或层，然后在类型或层中随机抽取样本单元的概率抽样方法。又称类型抽样、分类抽样。理学采样理论释 stratified sampling分层采样研究者可将整个总体分成不同子群或层，然后按照比例从不同层随机选取最终样本的方法。是一种概率采样技术。 Mathematics ＞数理统计＞抽样与统计过程控制＞释义 stratified sampling分层抽样 stratified sampling分层抽样^† Chemistry ＞分析化学＞化学计量学＞释义 stratified sampling分层抽样
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