一道统计学题,A test of a null hypothesis gives a test statistic z=-1.6what is p-value if the alternative is Ha:u不等于u0?

问题描述:

一道统计学题,
A test of a null hypothesis gives a test statistic z=-1.6
what is p-value if the alternative is Ha:u不等于u0?

因为这道题的备择假设(alternative hypothesis)是u不等于u0,所以原假设(null hypothesis )就是u=u0,这意味着你需要使用双侧检验.z=-1.6对应的双侧p-value为0.1096.你在Excel软件中输入NORMSDIST(-1.6)就可以得到...