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Use of Normal Probability Paper

 

作者: Herman Chernoff,   GeraldJ. Lieberman,  

 

期刊: Journal of the American Statistical Association  (Taylor Available online 1954)
卷期: Volume 49, issue 268  

页码: 778-785

 

ISSN:0162-1459

 

年代: 1954

 

DOI:10.1080/01621459.1954.10501234

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Normal probability paper is so designed that the cumulative distribution function of a normally distributed chance variable appears as a straight line. It is a common practice to plot the observations of a sample on this paper to obtain a graphical check for normality or to obtain a graphical estimate of the mean and variance of the population. Textbooks, however, are not very specific about methods for plotting, for, although the ordered observations are plotted along the abscissa, some uncertainties about the corresponding ordinates are left unresolved. The purpose of this paper is to indicate, with a special example, that any graphical technique should depend to a large extent on the purpose for which the graph is drawn. In particular, it presents tables covering sample sizes up to 10, for selecting the ordinates on normal probability paper so as to obtain “optimum” graphical estimates of the mean ζ and the standard deviation σ of a normal distribution. The somewhat more complicated problem of selecting the ordinates to obtain an “optimum” test for normality is not discussed.

 

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