Slashed Moment Exponential Distribution / Septiembre 2017 / Héctor W. Gómez, Juan M. Astorga, Osvaldo Venegas, Yuri A. Iriarte

septiembre 28, 2017
Héctor W. Gómez, Juan M. Astorga, Osvaldo Venegas, Yuri A. Iriarte

Abstract:

https://www.atlantis-press.com/journals/jsta/25883868

Héctor W. Gómez, Juan M. Astorga, Osvaldo Venegas, Yuri A. Iriarte

DOI:

The problem of estimating the ratio of coefficients of variation of two independent lognormal populations is considered. We propose two closed-form approximate confidence intervals (CIs), one is based on the method of variance estimate recovery (MOVER), and another is based on the fiducial approach. The proposed CIs are compared with another CI available in the literature. Our new confidence intervals are very satisfactory in terms of coverage properties even for small samples, and better than other CIs for small to moderate samples. The methods are illustrated using an example.

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