摘要
本文利用尾部概率的估计导出了Ｐｉｔｍａｎ准则下一个估计优于另一估计的充分条件，并把它应用于正态总体方差估计的比较。
A sufficient condition for the superiority of one estimator over another was established under the Pitman criterion by estimating the tail probability of a random variable. The estimators of the variance in the normal distribution case were compared as an example of the applications.
出处
《中央民族大学学报（自然科学版）》
1994年第2期15-19,共5页
Journal of Minzu University of China(Natural Sciences Edition)
基金
国家自然科学基金
