期刊
STATISTICS & PROBABILITY LETTERS
卷 78, 期 1, 页码 10-14出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.spl.2007.04.018
关键词
coefficient of variation; McKay's approximation; noncentral beta distribution
McKay's chi-square approximation for the coefficient of variation is type II noncentral beta distributed and asymptotically normal with mean n - 1 and variance smaller than 2(n - 1). (C) 2007 Elsevier B.V. All rights reserved.
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