论文部分内容阅读
栗方忠教授主编的《统计学原理》教材中,关于是非标志的算术平均数及标准差的计算推导欠妥。借用数学方法给予重新推导。
Professor Li Fangzhong editor of the “Principles of Statistics” textbook, on the non-sign arithmetic mean and standard deviation calculation derived defect. Use mathematical methods to give a new deduction.