In statistics, Bartlett's test, named after Maurice Stevenson Bartlett, is used to test homoscedasticity (or "homogeneity of variance"), that is, if multiple samples are from populations with equal variances. Some statistical tests, such as the analysis of variance, assume that variances are equal across groups or samples, which can be checked with Bartlett's test.
In statistics, Bartlett's test, named after Maurice Stevenson Bartlett, is used to test homoscedasticity (or "homogeneity of variance"), that is, if multiple samples are from populations with equal variances. Some statistical tests, such as the analysis of variance, assume that variances are equal across groups or samples, which can be checked with Bartlett's test.
Source: Wikipedia "Bartlett's test" · CC BY-SA 4.0
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