单侧假设检验中原假设选取的探究

The Study of Original Hypothesis' Selection in One-sided Hypothesis Testing

单侧假设检验中的原假设选取问题一直困扰着多数假设检验的初学者,单侧检验问题中互换原假设和备择假设后很可能使得检验结果完全相反.文章通过实例分析了该问题产生的主要原因,并提出几条原假设选取的原则.

The selection of the original hypothesis in the one-sided hypothesis test has been puzzling many hypothesis testing beginners.In the one-sided test,the exchange of the original hypothesis and the alternative hypothesis are likely to make the test result reverse.This paper analyzes the main causes of the problem through some examples,and proposes several principles of choosing the original hypothesis.