【考情分析】高考中,常见的抽样问题一般包含两种题型:一是给定某一总体,选择适宜的抽样方法;二是采用某一抽样方法,如何实施抽样过程,抽样的结果如何.这些问题主要考查简单随机抽样、系统抽样、分层抽样等三种抽样方法,其中又以考查分层抽样为主.本知识点一般在选择题或填空题中进行考查,难度属于中等偏易. [Test analysis] entrance, common sampling problems generally contain two kinds of questions: First, given a certain overall, select the appropriate sampling method; the second is the use of a sampling method, how to implement the sampling process, the sampling results These questions mainly examine three kinds of sampling methods, such as simple random sampling, systematic sampling and stratified sampling, etc., which mainly focus on stratified sampling.This knowledge point is generally examined in multiple choice questions or blank questions, and the difficulty is moderately easy .