Normal Approximation
Z 2.4513
One-Sided Pr > Z 0.0071
Two-Sided Pr > |Z| 0.0142
这是为 正态分布近似检验的结果,问题是有2个结果One-Sided Pr > Z ,Two-Sided Pr > |Z|
我什么情况下采用One-Sided Pr > Z,何时采用Two-Sided Pr > |Z| ???万分感谢