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一种新的预测型乘积估计量AI 解读

A product estimator of the population mean which is predictive in character is proposed. Although optimal in the sense of unbiasedness and minimum mean squared error under a certain superpopulation model, the estimator is frequently less biased than its competitors under a sampling theoretic approach.

一种新的预测型乘积估计量AI 解读

A product estimator of the population mean which is predictive in character is proposed. Although optimal in the sense of unbiasedness and minimum mean squared error under a certain superpopulation model, the estimator is frequently less biased than its competitors under a sampling theoretic approach.