摘 要区间估计是参数估计的一种重要的方式，本文结合一些例子和实际案例，分别从一个总体参数和两个总体参数的角度，分析总体均值、总体比例、总体方差及总体方差比的区间估计，阐述区间估计在抽样调查中的应用。 关键词：区间估计；抽样调查；均值；方差AbstractInterval estimation is an important way of parameter estimation, this paper combines some examples and actual cases, analyzes the interval estimation of the population mean, the population proportion, the population variance and the overall variance ratio from the perspective of one population parameter and two population parameters respectively, and expounds the application of interval estimation in the sample survey.Key words: Interval Estimation; Sampling Survey; Mean; Variance目 录1 引 言.........................................................12 相关概念.........................................................12.1 抽样调查........................................................12.2 抽样分布........................................................22.3 区间估计........................................................33 区间估计在抽样调查中的应用.......................................33.1 一个总体参数的区间估计..........................................33.1.1 总体均值的区间估计............................................43.1.2 总体比例的区间估计............................................93.1.3 总体方差的区间估计...........................................103.2 两个总体参数的区间估计.........................................113.2.1 两个总体均值差的区间估计.....................................113.2.2 两个总体比例差的区间估计.....................................143.2.3 两个总体方差比的区间估计.....................................154 结论.............................................................16致谢...............................................................17参考文献...........................................................171 引 言抽...
