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edited
2004 Dec 19
1
Homogeneity of variance tests between more than 2 samples (long)
...nd many proprietary programs) advice Hartley's F_max,
Cochran's minimum/maximum variance ratio (only balanced experiments), K^2
Bartlett's test, Levene's test.
Morton B. Brown and Alan B. Forsythe in a 1974 article wrote about "Robust test
for the equality of variances" (editet by Journal of the American Statistical
Association Vol. 69, pp.: 364-367) "...the common F-ratio and Bartlett??s test
are very sensitive to the assumption that the underlying populations are from a
Gaussian distribution. When the underlying distributions are nonnormal, these
tests can have an...