| 标题 |
ESDU 91041 The statistical analysis of data from Normal distributions, with particular reference to small samples
ESDU 91041正态分布数据的统计分析，特别是小样本
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ESDU 91041 The statistical analysis of data from Normal distributions, with particular reference to small samples. Abstract: ESDU 91041, which supersedes ESDU 68014, explains the analysis of samples of less than 30 to predict the behaviour of the population. The analysis includes the prediction of mean values, standard deviations, percentiles and coefficients of variation. Also included is a method for comparison of samples which is particularly useful if it can be used to show two small samples may be combined into one larger sample so improving the accuracy of predictions. It is also useful when comparing the influence of design changes. Tables of the required statistics are included and equations are provided that allow less commonly used statistics to be estimated to an acceptable engineering accuracy. A fully worked example illustrates the major facets of the analysis of small samples. A Fortran program, |
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(2025-6-4)
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