抽样统计的基本过程是先从总体中抽取部分个体组成样本,再对样本数据进行统计分析,最后以样本结果来推测总体情况,在这个“总体→样本→总体”的过程中,体现了抽样统计的核心思想方法——用样本估计总体的思想方法.这其中有两个基本问题,一个是从总体到样本的抽样问题,另一个是从样 The basic process of sampling statistics is to extract part of the individual sample from the population first, and then perform statistical analysis on the sample data. Finally, the overall situation is estimated based on the sample results. In this process of “total → sample → total” The core idea of ​​sampling statistics method - the sample to estimate the overall method of thinking.There are two basic problems, one from the sample to the overall sample, the other is from the sample