搜索结果: 1-1 共查到“统计学 sub-sampling”相关记录1条 . 查询时间(0.14 秒)
An Efficient Class of Chain Estimators of Population Variance under Sub-Sampling Scheme
auxiliary variable chain estimator consistent estimator double sampling technique mean square error optimum estimator study variable
2009/3/9
For estimating the population variance S2y of study variable y, a class of chain estimators of S2y has been proposed in the presence of two auxiliary variables x and z by using known information on po...