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 article gives a research on the theory problem of Compatibility test on Normal Distribution with few samples. The new test method is put forward.
并研究了正态分布的小样本容量的相容性检验问题的理论，提出了新的检验方法。
MethodsBased on the theory of normal distribution and central limit theorem of the statistics, the immune control chart is proposed, which combines the immune idea.
方法以统计学的正态分布与中心极限定理为理论基础，结合免疫进化的思想，提出免疫控制图原理及学习算法；
With theory of normal distribution used in the course of quality assessment, the quality's tendency call be controlled during the production at any time. And the quality stability can be guarantee.
运用正态分布理论进行生产过程中的质量评定，可随时控制和掌握生产过程中的质量动态从而保证生产质量的稳定。
The theory of distribution of peaks in normal random process has been expanded to calculate the spatial distribution of environmental noise peaks.
本文将正态随机过程的峰值分布理论推广到环境噪声峰值的空间分布的计算上。
After reviewing briefly the history of the theory of maintainability, the authors defined the maintainability as well, and pointed out a method for calculating in terms of log-normal distribution.
本文在简略地回顾维修性理论的历史以后，扼要地说明维修性的定义并指出维修特性为对数正态分布的情况下维修度的计算方法。
After reviewing briefly the history of the theory of maintainability, the authors defined the maintainability as well, and pointed out a method for calculating in terms of log-normal distribution.
本文在简略地回顾维修性理论的历史以后，扼要地说明维修性的定义并指出维修特性为对数正态分布的情况下维修度的计算方法。
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