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A Rule of Thumb for Determining a Sample Size in Comparing two Proportions

 

作者: H.A. Al-Bayyati,  

 

期刊: Technometrics  （Taylor Available online 1971）
卷期: Volume 13, issue 3  

页码: 675-677

 

ISSN:0040-1706

 

年代: 1971

 

DOI:10.1080/00401706.1971.10488828

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

A conservative rule of thumb is derived for a quick calculation of the sample size needed to compare two groups. The rule is worked out for qualitative variables with a failure or success outcome. The rule is defined in terms of the difference desired to be detected between two dicotomous groups.

 

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