统计研究 ›› 2005, Vol. 22 ›› Issue (7): 75-4.

• 论文 • 上一篇    下一篇

关于样本均值的抽样分布能否作正态近似的探讨

王学民   

  1. 上海财经大学统计系
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2005-07-15 发布日期:2005-07-15

  • Received:1900-01-01 Revised:1900-01-01 Online:2005-07-15 Published:2005-07-15

关键词: 正态近似, 偏度, 峰度, 异常值

Abstract: Based on the concepts of skewness and kurtosis, the paper points out a kind of method to judge whether the sampling distribution of sample mean can be normally approximated. Besides,the paper also provides the discussion of how to make judgement uinder the following conditions:1. Finite population with outlier; 2. Unknown population distribution.