Hu Chunyan,Hu Liangping,How to use χ² test correctly——the rank sum tests and the implementation of the SAS software[J].SICHUAN MENTAL HEALTH,2021,34(5):411-416

How to use χ² test correctly——the rank sum tests and the implementation of the SAS software

DOI：10.11886/scjsws20210915003

English keywords:Quantitative data Rank sum test Score Standard normal distribution χ² distribution

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Author Name	Affiliation	Postcode
Hu Chunyan	Graduate School， Academy of Military Sciences PLA China， Beijing 100850， China	100850
Hu Liangping	Graduate School， Academy of Military Sciences PLA China， Beijing 100850， China Specialty Committee of Clinical Scientific Research Statistics of World Federation of Chinese Medicine Societies， Beijing 100029， China	100029

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English abstract:

The purpose of this article was to introduce the rank sum test and its SAS implementation. The concrete contents included the following three aspects： ①the simple linear rank test of two-sample data， ②the one-way ANOVA rank sum test of the multi-sample data， ③the "scoring methods" in the aforementioned two situations. In the third aspect above， there were 10 concrete scoring approaches. Based on an example and with the aid of the SAS software， the paper implemented the first-type rank sum test previously， explained the output results， and made statistical and professional conclusions.

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