Volume 40 Number 2 (2006) January 22, 2007September 22, 2023 Publisher Comparing ratio estimators based on systematic samples By Hasan N. Hamdan, John L. Szarka III and Amy Marie Jacks Unbiased estimation of the population variance using Midzuno-Sen type sampling scheme By M. C. Agrawal, and A. B. Sthapit On generalized order statistics from exponential distribution By M. Ahsanullah Bayesian analysis of in its limiting form By K. K. Sharma, Bhupendra Singh and Shubhi Rathi Some test estimators for the scale parameter of classical Pareto distribution By Gyan Prakash, D. C. Singh and R. D. Singh Edgeworth size corrected W, LR and LM tests in the formation of the preliminary test estimator By Z. Hoque, S Khan, and B Billah A new alternative in testing for homogeneity of variances By Mehmet MENDES, Necla OZKAYA TURHAN and Fikret GURBUZ