The problems of estimating population total in MPPS surveys are considered.There are three models which are appropriate to different correlation coefficient between the study variable y and the auxiliary variable x.So...The problems of estimating population total in MPPS surveys are considered.There are three models which are appropriate to different correlation coefficient between the study variable y and the auxiliary variable x.Some of the proposed estimators are found superior to Hansen-Hurwitz’s estimator.At last,we suggest a estimator of population correlation coefficient.展开更多
基金supported by the MOE Project of Humanities and Social Sciences on the West and the Border Area (Grant No. 20XJC910001)the National Social Science Fund of China (Grant No. 21XTJ001)the National Natural Science Foundation of China (Grant No. 12001068)。
文摘The problems of estimating population total in MPPS surveys are considered.There are three models which are appropriate to different correlation coefficient between the study variable y and the auxiliary variable x.Some of the proposed estimators are found superior to Hansen-Hurwitz’s estimator.At last,we suggest a estimator of population correlation coefficient.