送交者: fair 于 2005-12-02, 15:23:40:

回答: assuming the sample is large enough, yes. 由 Enlighten 于 2005-12-02, 14:40:03:

probably t- or p-test should be used

• 说你们对文科还停留在高中政治课的认识上还真没错 - xj (186 bytes) 2005-12-02, 15:42:51
• I doubt she forgot to use this simple thing. - pococurante (205 bytes) 2005-12-02, 15:28:55

加跟贴