Hypothesis testVariance homogeneity
Bartlett's Test for Homogeneity of Variances
Bartlett's Test 是一种经典的参数程序，用于检验两个或多个独立组是否共享共同的总体方差。该检验由 Maurice Stevenson Bartlett 于 1937 年提出，它通过构建一个基于合并方差与各组方差比率的卡方统计量，来形式化所有组方差相等的零假设。在应用方差齐性（homoscedasticity）假设的有效性所依赖的 ANOVA 或其他程序之前，这是一个标准的预分析步骤。
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来源
- Bartlett, M. S. (1937). Properties of sufficiency and statistical tests. Proceedings of the Royal Society of London. Series A, 160(901), 268–282. DOI: 10.1098/rspa.1937.0109 ↗
如何引用本页
ScholarGate. (2026, June 2). Bartlett's Test for Homogeneity of Variances. ScholarGate. https://scholargate.app/zh/statistics/bartlett-test
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