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Two new confidence intervals for the coefficient of variation in a normal distribution

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Author Info
Rahim Mahmoudvand
Hossein Hassani

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Abstract

In this article we introduce an approximately unbiased estimator for the population coefficient of variation, τ, in a normal distribution. The accuracy of this estimator is examined by several criteria. Using this estimator and its variance, two approximate confidence intervals for τ are introduced. The performance of the new confidence intervals is compared to those obtained by current methods.

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File URL: http://www.informaworld.com/openurl?genre=article&doi=10.1080/02664760802474249&magic=repec&7C&7C8674ECAB8BB840C6AD35DC6213A474B5
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Publisher Info
Article provided by Taylor and Francis Journals in its journal Journal of Applied Statistics.

Volume (Year): 36 (2009)
Issue (Month): 4 ()
Pages: 429-442
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Handle: RePEc:taf:japsta:v:36:y:2009:i:4:p:429-442

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Related research
Keywords: coefficient of variation; confidence interval; normal distribution;

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