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由于是统计资讯教授,三句话不离本行,说得用得最多的自然是“统计”两个字,所以我对统计有一个比较通俗的定义,不妨看看这个简单的图示:怎么解释这个图示?统计是看到现象,找模型去解释。但这个模型一定不能完全解释现象,这两者之间一定存在误差。统计的任务是使误差越来越小,模
Because it is a professor of statistics, three sentences are not far from our bank. It is natural to say that “statistics” are the two most used words. Therefore, I have a more general definition of statistics. Take a look at this simple illustration: how to explain This icon? Statistics is to see the phenomenon, to find the model to explain. But this model must not fully explain the phenomenon, there must be some error between the two. The task of statistics is to make the error smaller and smaller, modulus