假设检验中的原假设选取问题

针对假设检验中"对一个具体问题,在相同的显著性水平α下进行假设检验,如果交换原假设和备择假设,得到的结论可能完全相反"这一问题进行分析,并给出根据实际问题的要求如何正确建立原假设和备择假设的方法.

Discussion on Establishment of Null Hypothesis in Hypothesis Test Problem

Aiming at the analysis of the problem in the hypothesis, ＂As the result of the hypothesis testing under the same significant level, the conclusion of a specific problem maybe totally different if null hypothesis and alternative one are exchanged＂, the paper suggests the methods on how to establish null hypothesis and alternative one correctly in accordance with the practical situation.