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Erschienen in:
1989 | OriginalPaper | Buchkapitel
Mean and Variance of Sample Size in Multivariate Heteroscedastic Method
verfasst von : Hiroto Hyakutake, Minoru Siotani
Erschienen in: Contributions to Probability and Statistics
Verlag: Springer New York
Enthalten in: Professional Book Archive
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For statistical inference on several mean vectors when population covariance matrices are different, the heteroscedastic method is employed to overcome difficulties under a two-stage sampling scheme. Total sample size for each sample is thus a random variable. Both exact and approximate upper and lower bounds for the mean and variance of the sample size are given. Tables are computed for some special cases of these bounds in order to have some information on their numerical behavior.