Sinha, B KSen, Pranab Kumar2012-12-172012-12-171989Sankhya : The Indian Journal of stattistics, v 51, no. 1, p 65-83http://hdl.handle.net/10263/5092enAdmissibilityConvex lossCyclic permutationsMeanNegative factorial momentsRiskSufficiencyUnbiased estimationVarianceOn averaging over distinct units in sampling with replacementArticle