山东工程学院学报
山東工程學院學報
산동공정학원학보
JOURNAL OF SHANDONG INSTITUTE OF TECHNOLOGY
2001年
1期
48-50
,共3页
样本%数学期望%方差
樣本%數學期望%方差
양본%수학기망%방차
本文给出了样本均值X的函数f(X)的数学期望、方差的求法及其余项的收敛速度。
本文給齣瞭樣本均值X的函數f(X)的數學期望、方差的求法及其餘項的收斂速度。
본문급출료양본균치X적함수f(X)적수학기망、방차적구법급기여항적수렴속도。
When the distribution of raudom variable Xis unknown, it is very difficult to get its expectation value and Vatiance. In this paper, a method was developed to get the expectation value and variame of f(X) on sample averange X and their convergence rate.