| 变异系数的显著性检验 |
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| 引用本文： | 程琮,刘一志,王如德.变异系数的显著性检验[J].泰山医学院学报,2009,30(12). |
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| 作者姓名： | 程琮 刘一志 王如德 |
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| 作者单位： | 1. 泰山医学院预防医学教研室,山东,泰安27100
2. 临沂市疾病预防控制中心,山东,临沂276001 |
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| 摘 要： | 目的检验数据的变异系数是否齐性。方法采用参数及非参数方法检验变异系数。结果应用u体验和χ2检验实现变异系数的检验。结论变异系数检验方法可用于单样本、两样本及多样本资料,在医学科研中具有应用意义。
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| 关 键 词： | 变异系数 检验 参数统计 非参数统计 |
Significance test for coefficeints of variation |
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| CHENG Cong,LIU Yi-zhi,WANG Ru-de.Significance test for coefficeints of variation[J].Journal of Taishan Medical College,2009,30(12). |
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| Authors: | CHENG Cong LIU Yi-zhi WANG Ru-de |
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| Institution: | 1.Dept.of Health Statistics; Taishan Medical College; Taian 271000; China; 2.Linyi Center for Disease Control and Prevention; Linyi 276001; China); |
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| Abstract: | Objective: The homogeneity of coefficients of variation can be tested.Methods:The parametric and nonparametric statistical procedures can be applied to testing differences of coefficients of variation.Results: Test of coefficients of variation can be conducted by u test and χ2 test.Conclusion: Testing of coefficients of variation may be in appling to one-sample,two-sample,and multisample data,and it may be significance in medical research. |
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| Keywords: | coefficients of variation test parametric statistics non-parametric statistics |
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