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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Confidence Intervals for the Ratio of Coefficients of Variation of the Gamma Distributions
verfasst von : Patarawan Sangnawakij, Sa-Aat Niwitpong, Suparat Niwitpong
Erschienen in: Integrated Uncertainty in Knowledge Modelling and Decision Making
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One of the most useful statistical measures is the coefficient of variation which is widely used in many fields of applications. Not only in a single population, the coefficients of variation are applied in two populations. In this paper, we proposed two new confidence intervals for the ratio of coefficients of variation in the gamma distributions based on the method of variance of estimates recovery with the methods of Score and Wald intervals. Moreover, the coverage probability and expected length of the proposed confidence intervals are evaluated via a Monte Carlo simulation.