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Testing the equality of a large number of normal population means

โœ Scribed by Junyong Park; DoHwan Park


Book ID
113557703
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
485 KB
Volume
56
Category
Article
ISSN
0167-9473

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Testing equality of two normal means usi
โœ Willem Albers; Pieta C. Boon; Wilbert C.M. Kallenberg ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 399 KB

Since the two-sample t-test presupposes equality of variances, often a preliminary F-test is advised to check this assumption. However, very large sample sizes are necessary before this procedure behaves in a satisfactory manner. In the present note this phenomenon is explained using second-order as