作者selient (假安静)
看板Statistics
标题[问题] unbiased estimator
时间Sun Jan 14 18:31:46 2007
课本写这样:
An unbiased estimator is said to be consistent if the
difference between the estimator and the parameter grows smaller
as the sample size grows larger.
╴
然後举的是Ｘ
╴
v(Ｘ) = σ^2 / n
举的例子很不懂 有没有人可以解释一下 谢谢!
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