样本统计量（简称统计量）指的是样本的函数，并且此函数不含有未知参数。常见的统计量有：样本均值，样本方差，样本极差等。
区分量化（描述性的）和分析（推断性的）研究的区别； 区分总体参数和样本统计量的区别。
Distinguish between enumerative (descriptive) and analytical (inferential) studies, and distinguish between a population parameter and a sample statistic.
对于需要通过抽样调查获得数据的统计指标，简要讨论抽取样本和构造估计量的方案。
As for those statistical indicators needed to use sample survey to attain data this article discusses program of drawing sample and constructing estimator simply.
利用样本分位数构造检验统计量，给出来自于指数分布总体异常数据的一种检测方法。
A method of detection of outliers from the exponential distribution is given by sample fractile to construct test statistics.
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