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On sampling of three units using varying probabilities

 

作者: Prenesh Kumar,  

 

期刊: Statistics  （Taylor Available online 1987）
卷期: Volume 18, issue 3  

页码: 373-377

 

ISSN:0233-1888

 

年代: 1987

 

DOI:10.1080/02331888708802032

 

出版商: Akademie-Verlag

 

关键词: Varying probabilities of selection;non-negative variance estimator

 

数据来源: Taylor

 

摘要:

A sample selection procedure for selecting three units from a finite population is proposed. The methods makes use of varying probabilities of selection. It gives a class of PS and non PS sampling schemes. It is established that the SEN - YATES - GRUNDY form of the variance estimator always takes non negative values for the sampling schemes belonging to the general class

 

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