送交者: 火格Meshfire 于 2005-2-20, 23:41:19:
回答: 美国没有中国女数学教授吗? 由 antonin 于 2005-2-20, 21:33:44:
If statistics do not show significant difference, you cannot make any hard decisions by looking at the statistical numbers. For example, is this guy a customer or a thief, after observing him in the shopping mall for a few hours?