总体均值(population mean)又叫做总体的数学期望或简称期望，是描述随机变量取值平均状况的数字特征。包括离散型随机变量的总体均值：和连续型随机变量的总体均值。
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本文讨论了存在不回答样本单位时，有限总体均值的缺损样本估计。
This paper deals with the incomplete sample estimation of finite population mean in existing of nonrespondent sampling units.
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对于样本均值估计总体均值，给出了基于误差限制的样本容量的计算式。
The calculation formulas of sample size based on the error limitation are given for estimation of population mean.
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本文在分层随机抽样下通过使用辅助变量的偏斜系数提出了几个总体均值的估计。
The paper proposes new separate ratio estimators for population mean using known skewness coefficient of auxiliary variable in stratified random sampling.
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When you get--this is Rituparna, counting the leaves on a tree-- you can estimate, from a sample, the population expected values.
如果你...像数叶子的睿都巴若那一样,只有部分样本的话,你可以来估计总体均值
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We can define it in a couple of different ways depending on whether we're talking about sample mean or population mean.
我们有几种不同的方式去定义这个概念,取决于我们指的是,样本均值还是总体均值
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The population mean is often written "X-bar."
总体均值一般写作X拔
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