Conclusion Normal distribution theory may be used in the interval estimation and hypothesis testing of rank sum.
结论对秩和与秩和比可以应用正态分布理论作区间估计和假设检验。
The interval estimation and hypothesis testing of component parameters in mixture location distributions are discussed when mixing proportion is known.
对混合位置分布族,当混合比已知时,提出了关于分量参数的假设检验和区间估计方法,所提出的方法基于广义枢轴模型。
The paper puts forward covariance analysis model about teaching efficiency, introduces some calculation functions and methods on the point estimation and testing hypothesis about the model.
提出了教学效率的协方差分析分析模型,介绍了模型的参数估计及假设检验的计算公式和方法。
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