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1)  normal population mean
正态总体均值
2)  population mean
总体均值
1.
Results:The formulas of the estimator of the population mean and its variance for sensitive questions on unrelated question RRT model in stratified two-stage cluster sampling were deduced.
结果:推导出无关联RRT模型在分层两阶段整群抽样下,总体均值估计量及其估计方差的计算公式;成功应用该方法及相关公式调查得苏州大学学生近两个学期考试作弊平均次数为1。
3)  normal mean
正态均值
1.
Minimax confidence bound of the normal mean under an asymmetric loss function;
非对称损失下正态均值的同变置信限
4)  normal population
正态总体
1.
Application of orthogonal transformation on normal population;
正交变换在正态总体中的应用
2.
Minimax predictor of linear predictable variable in normal populations;
正态总体中线性可预测变量的Minimax预测
3.
Considering two normal populations with unknown means and unknown variances,a likelihood ratio test of equality of two normal population standard deviations under condition to equality of proportions of means and standard deviations of two normal populations was presented.
考虑两个正态总体的标准差在均值和标准差比等值条件下的似然比检验问题。
5)  normal distribution
正态总体
1.
Based on the definition of the confidence interval, using the methed of numerical calculation, the minimum length of confidence interval for the variance of the normal distribution are found.
99,在样本容量n从3到30的范围内,在正态总体均值未知的情形下,求得了方差σ2的最短置信区间,并对用通常方法求得的置信区间的长度与最短置信区间的长度进行了对比分析。
6)  Subpopulatiou mean
子总体均值
补充资料:总体均值
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性质:表示总体集中趋势的特征数字,以符号μ表示。对于特定具体的分布,μ是一个常数。在有限次测定中,样本的算术平均值是总体均值μ的一个优良估计值,它不仅是无偏的,而且具有一致最小方差。

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