Xian University of Post and Telecommunications 一、协方差与相关系数的 概念及性质二、相关系数的意义三、小结第三节 协方差及相关系数(Covariance and Correlation coefficient )Xian University of Post and Telecommunications 1. 问题的提出 一、协方差与相关系数的概念及性质 协方差Xian University of Post and Telecommunications 2. 定义Xian University of Post and Telecommunications 3. 说明 Xian University of Post and Telecommunications 4. 协方差的计算公式证明Xian University of Post and Telecommunications Xian University of Post and Telecommunications 5. 性质(Property of covariance ) Xian
