Testing the equality of coefficients of variation in K normal populations

Communications in Statistics - Theory and Methods

Volumn 25, Issue 1, 1996, Pages 115-132

  Gupta, Ramesh C ^a   Ma, Suchun ^b  

^a UNIVERSITY OF MAINE   (United States)

^b UNIVERSITY OF PENNSYLVANIA   (United States)

Author keywords

Bennett's test; Equality of coefficient of variation; Likelihood ratio test; Modified Bennett's test; Non central t test; Score test; Wald test

Indexed keywords

EID: 0040717238     PISSN: 03610926     EISSN: None     Source Type: Journal    
DOI: 10.1080/03610929608831683     Document Type: Article

References (13)

1. Bennett, B. M. (1976), "On an approximate Test for Homogeneity of Coefficients of Variation", Contribution to Applied Statistics, edited by Walter John Ziegler, Birhauser Verlag, Basel and Stuttgart, 169-171.
2. Doornbos, R. & Dijkstra, J. B. (1983), "A Multi Sample Test for the Equality of Coefficients of Variation in Normal Populations", Commun. Statist.Simula. Computa., 12(2), 147-158.
3. Gerig, T. M. & Sen, A. R. (1980), "MLE in Two Normal Samples with Equal but Unknown Population Coefficients of Variation", Journal of the American Statistical Association, Vol. 75, No. 371, 704-712.
4. Johnson, N. L. & Kotz, S. (1970), Continuous Univariate Distributions, Houghton Mifflin Co., Boston.
5. Iglewicz, B. & Myers, R. H. (1970), "Comparisons of Approximations to the Percentage Points of Sample Coefficient of Variation", Technometrics, Vol. 12, No. 1, 166-169.
6. Lawless, J. K. (1982), Statistical Models and Methods for Lifetime Data, John Wiley & Sons, Inc..
7. McKay, A. T. (1932), "Distribution of the Coefficient of Variation and the Extended 't' Distribution", Journal of the Royal Statistical Society, Vol. 95, 695-698.
8. Miller, E. C. & Karson, M J. (1977), "Testing Equality of Two Coefficients of Variation", American Statistical Association: Proceedings of the Business and Economics Section, Part I, 278-283.
9. Rao, C. R. (1973), Linear Statistical Inference and Its Applications, John Wiley & Sons, Inc..
10. Rao, K. A. & Vidya, R. (1992), "On the Performance of a Test for Coefficient of Variation", Calcutta Statistical Association Bulletin, Vol. 42, March & June, 1992, Nos. 165-66, 87-95.
11. Shafer N. J. & Sullivan, J. A. (1986), "A Simulation Study of a Test for the Equality of the Coefficients of Variation", Commun. Statist-Simula. Computa.,15(3), 681-695.
12. Silvey, S. D. (1970), Statistical Inference, Chapman and Hall.
13. Wald, A. (1943), "Tests of Statistical Hypotheses Concerning Several Parameters When the Number of Observations is Large", Trans. Am. Math. Soc., Vol. 54, 426-482.