作者moon2519 (~X~X~)
看板Statistics
标题[问题] 有关成大98考古题
时间Wed Nov 17 15:03:47 2010
如题...
数理统计第10题
10.Which of the following is/are true ?
(i) If the MLE is also unbiased,then it is the best unbiased estimator
(ii) One of the famous property of the Exponential distribution is that it
is memoryless,but a memoryless continuous random variable which is not
necessarily to be Exponential one
(A) (i) (B) (ii) (C) (i) and (ii) (D) Neither one
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Q:
想请问答案(i)是对的吗?...(有反例吗?)
对於(ii)...在下在大学只有学过Exponential是连续变数且"记忆遗失性"...
无法判断...(有请大大提点thx!!)
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1F：→ moon2519:另问!如果最小充份统计量为c.s.s.则其必找得到UMVUE?!THX 11/17 15:05
※ moon2519:转录至看板 Math 11/18 18:35