explain intuitively why the sampling distribution of sample means will become normal as the sample size increases?? 恩..前面有很多篇讨论CLT的文章了... 不过还是不大知道..为什麽n增加会抽样分配会趋近於常态... 总觉得它应该是趋近於母体(但不一定是常态)...??? 如果不用数学式子证明..也可知道这结果吗... --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 61.57.78.129