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

　

单词	stratified random sampling
释义	stratified random sampling Encyclopedia 教育学抽样释 stratified random sampling分层随机抽样按照总体已有的某些特征，将总体分为几个不同的部分（每一部分称一个层），再分别在每一部分中随机抽样的方法。农学抽样调查释 stratified random sampling分层随机抽样将总体按一定的原则分成若干个子总体，每个子总体称为层，在每个层内进行抽样，不同层的抽样相互独立且每层的抽样都是简单随机抽样的方法。 Mathematics ＞数理统计＞抽样与统计过程控制＞释义 stratified random sampling分层随机抽样
随便看	equal weighted rate of return equant equantequation equate equating equating based on classical test theory equating based on item response theory equating coefficients equation equational equational category equational class equational class of lattices equational closure equational compactness equational division equational logic equationally complete extension equationally definable class equationally equivalent system equation clock equation for ideal gases equation for the components equation in coordinates equation in monic form

　

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