A Note on Bartlett's M Test for Homogeneity of Variances |
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| Authors: | Lingyun Zhang Wenjiang Jiang |
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| Institution: | 1. School of Engineering and Advanced Technology , Massey University , Wellington, New Zealand;2. Institute of Mathematical Science , Yunnan Normal University , Kunming, Yunnan, P.R. China |
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| Abstract: | After pointing out a drawback in Bartlett's chi-square approximation, we suggest a simple modification and a Gamma approximation to improve Bartlett's M test for homogeneity of variances. |
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| Keywords: | Bartlett's M test Chi-square approximation |
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