摘要
卡方(χ2)检验在医学、药学工作和研究中经常用来对数据进行统计分析。介绍了两独立样本率的卡方检验的相关统计学的概念和方法,并通过Excel电子表格计算两个实例,具体地说明了四格表χ2检验方法在医学研究中的应用,分析方法详尽清晰易懂,为专业人员进行相关分析提供参考。
In medical research,chi-square test is usually adopted to carry out the data processing and analysis.The paper describes in detail the relevant statistical concepts and methods of the chisquare test for two independent samples.A study on the application of the four grid table chi-square test method in medical research is explained through the application of Excel in the calculation of two examples.The contents in this paper are very clear and comprehensive.The purpose of this paper is to offer some clear,comprehensive and understandable references to professional personnel.
关键词
独立样本
χ2检验
医疗系统
independent samples
chi-square test
medical system