Tests of Coefficients of Variation of Normal Population

By K. Nairy, K. Rao. 2003

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The coefficient of variation asymptotic distribution in the case of non-iid random variables (2009, methodology): “As the coefficient of variation is a unit-free measure of dispersion, it has been widely used rather than the standard deviation in many scientific areas (see [20] for a brief survey of recent applications in business, engineering, climatology and other fields).”
Estimator and Tests for Common Coefficients of Variation in Normal Distributions (2009, unknown): “However, the likelihood ratio test is known to be too liberal for small sample sizes (Doornbos and Dijkstra, 1983; Fung and Tsang, 1998; Nairy and Rao, 2003).”
Estimation of parameters of Weibull–Gamma distribution based on progressively censored data (2018, background): “Nairy and Rao (2003) gave a summary of uses of the coefficient of variation in a number of areas.”
Confidence Bounds and Hypothesis Tests for Normal Distribution Coefficients of Variation (2007, methodology): “A likelihood ratio test of the hypothesis that k coefficients of variation are equal has previously appeared in the literature (Doornbos and Dijkstra, 1983; Nairy and Rao, 2003).”