Significance tests
Significance tests
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显着性检验
作者：
J. Bulman;J. Osborn
描述了确定样本均值和给定标准值之间的差异是否可能仅归因于抽样误差、或者是真实的和/或具有实际重要性的简单方法。讨论了原假设和标准正态偏差的使用，并提供了示例来说明所提出的观点
Simple methods of determining whether the difference between a sample mean and a given standard value is likely to be due only to sampling error, or to be real and/or of practical importance, are described. The use of the null hypothesis and of standard normal deviates is discussed, and examples are provided to illustrate the points made