参考链接：https://github.com/v-gazh/LearningStatsGroup/blob/master/week7/week7.ipynb
源地址：https://github.com/AeneasZhu/LearningStatsGroup/blob/master/week7/week7.ipynb
Python实现抽样分布的验证(正态分布、卡方分布、T分布)
原文：https://www.cnblogs.com/bigtreei/p/12046405.html
