The sample breakdown point of a test for moment estimation of population variance;
检验的样本崩溃点是样本中能逆转判决的离群值的最小比例 。
This paper proposed an algorithm for finding critical value of normal population variance under…
本文给出了求正态总体方差的一致最优化无偏检验的临界值的算法。
In this paper, We give the sample breakdown point of a test for moment estimation of population variance and analyze the asymptotically normal characteristic of the sample breakdown point.
本文给出了总体方差矩估计检验的样本崩溃点，并分析了该样本崩溃点的渐近正态性。
Variance analyses indicate the cluster intensity of this population is significant difference between the upper and lower crowns of citrus trees.
方差分析表明该种群的聚集强度在树冠的上、下部间差异显著。
It is of significance in practice to analysis the variance law and trend of Wenzhou population structure and understand the severe situation that the social security system environment.
认真分析温州人口结构变化的规律与趋势，深刻认识社会保障制度所面临的严峻形势，对于加快完善温州社会保障制度具有重大的现实意义。
The first chapter has discussed alteration of geographical environment, variance of population, transformation of structure of districts, evolvement of city form in Macau from historic point of view.
第一章从历史的角度论述了澳门地理环境的变迁、人口规模的变动、区域结构的演化、城市形态的演化等。
Trends in the dispersal of the vole were consistent to the variance of population density and recruitment in the voles.
东方田鼠扩散的趋势与其种群密度及补充量的变动一致。
Objective To evaluate the variance of blood pressure of the cohort population and the intervention effect on it.
目的评价队列人群血压的变化及综合预防对血压的影响。
Reference 14 gives the control lines of shewhart mean control chart for skewed population which is unknown based on scaled weighted variance method.
基于尺度赋权方差法给出总体分布有偏并假定总体分布未知情况下休哈特均值控制图的控制限。
A kind of nonlinear regression estimator for limited Population is given and the quality and the sampling variance about is discussed.
对有限总体在不放回抽样的方法下，构造了一类非线性回归估计量，讨论了它的性质及其有关抽样误差．。
An approximate variance estimator for index of population trend developed with delta-method and its application;
应用干扰作用控制指数法评价了阿维菌素、蚜虱灭、蚜虱蓟净等杀虫剂对桃蚜种群控制的作用。
There was large genetic variance for most traits investigated in the lines from the exotic heterosis population.
结果表明，在这一优势群的优良自交系中，多数数量性状遗传变异较大，具有进一步改良提高的潜力。
We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.
讨论多阶段抽样比率估计及其样本量选择的问题，给出了比率估计抽样均方误差的近似公式及其渐近无偏估计的公式。
We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.
讨论多阶段抽样比率估计及其样本量选择的问题，给出了比率估计抽样均方误差的近似公式及其渐近无偏估计的公式。
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