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An Alternate Proof of Samuelson's Inequality and its Extensions

 

作者: NicholasR. Farnum,  

 

期刊: The American Statistician  (Taylor Available online 1989)
卷期: Volume 43, issue 1  

页码: 46-47

 

ISSN:0003-1305

 

年代: 1989

 

DOI:10.1080/00031305.1989.10475610

 

出版商: Taylor & Francis Group

 

关键词: Bounds on order statistics;Outliers

 

数据来源: Taylor

 

摘要:

Paul Samuelson and other authors have shown that no element in a population ofnitems can lie farther than (n— 1)½standard deviations from the mean. Other researchers extended this by giving upper and lower bounds for thekth largest item in terms of the population mean and standard deviation. We provide an alternate proof of these results. The technique used in the proof gives insight into the conditions under which the bounds are attained and can be used to improve bounds when additional information is available.

 

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