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单词
survey sampling
释义
survey sampling
Encyclopedia
农学
抽样调查
释
survey sampling
抽样调查
一种以概率论为基础，按随机原则从调查总体中抽取部分单位进行观察，用以估计推算总体某些数量特征的非全面调查。又称样本调查、抽样技术或抽样法。
理学
【核心概念】
释
survey sampling
抽样调查
一个统计学分支，主要研究如何从全体被调查对象（即总体）中抽取一部分个体（即样本）进行调查或观测、获取数据，并以此对总体的目标量（未知参数）作出推断。
Mathematics
＞数理统计＞抽样与统计过程控制＞释义
survey sampling
调查抽样
随便看
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