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第四章 总体均数的估计和假设检验

 

学时分配：8学时

掌握内容：

1．t分布的概念和特征

2．总体均数的区间估计

3．总体率的区间估计

4．假设检验的基本步骤

5．假设检验的基本原理

6．常用的数值型变量假设检验的方法

熟悉：1、抽样误差的概念

2、引起抽样误差的原因

3、均数、率的标准误的计算

4、标准差和标准误的区别

了解内容：

1．假设检验中概率P与检验水准的关系

2．抽样研究的意义

3．中心极限定理的内容


 

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