... estimation of population correlation 总体相关系数估计 estimation of population mean总体均数估计 estimation of population proportion 总体比例估计 ...
双语例句
1
The calculation formulas of sample size based on the error limitation are given for estimationofpopulationmean.
对于样本均值估计总体均值，给出了基于误差限制的样本容量的计算式。
2
This paper deals with the estimationofpopulationmean in systematic sampling by use of auxiliary information in order to improve the accuracy of the estimate.
讨论了等距抽样中，如何利用辅助信息改进总体平均值的估计，以达到提高估计精度之目的。
3
This paper deals with the incomplete sample estimationof finite populationmean in existing of nonrespondent sampling units.