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Biometrika 1976 63(1):206-208; doi:10.1093/biomet/63.1.206
© 1976 by Biometrika Trust
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Miscellanea

A test for equality of variances

M. SAMIUDDIN and M. ATIQULLAH

Department of Mathematics, University of Tripoli Libya

A test for homogeneity of variances in normal and nonnormal populationsis considered. This is based on power transformations of the estimates of variance. The test is compared with Bartlett's and Leh mann's tests, which employ logarithmic transformations of the estimates.

Key Words: Homogeneity of variance • Nonnormality • Power transformation • Unbiased estimate • Unbiased test


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