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在医学科研中经常遇到同一组中构成比的比较。文献(黄正南:同组中两个构成比的统计检验,中华预防医学杂志,17∶289,1983)已导出同一组构成比中两个构成比的比较或多个构成比的两两比较的差别显著性检验的公式,但同组中多个构成比的比较,目前尚缺乏差别显著性检验的公式。本文导出该公式,并举例说明其应用。
Comparisons of composition ratios in the same group are often encountered in medical research. The literature (Huang Zhengnan: a statistical test of two constituent ratios in the same group, Chinese Journal of Preventive Medicine, 17:289, 1983) has derived the comparison of the two constituent ratios in the same group of constituent ratios or the comparison of the two constituent ratios. The formula of the significance test, but the comparison of multiple composition ratios in the same group, there is currently no formula for the difference significance test. This article exports the formula and illustrates its application.