Comparison of the mean per unit and ratio estimators under a simple applications-motivated model

Connie Page, David Kreling and Ella Mae Matsumura

Statistics & Probability Letters, 1993, vol. 17, issue 2, 97-104

Abstract: The mean per unit and the ratio estimators of the total score in a finite population are compared under a simple model motivated by insurance reimbursement in the pharmacy industry. Ranges of model parameters are given where one of the estimators is preferred, and when model parameters satisfy an equation, the ratio estimator is shown to be first order unbiased and never improved on by the mean per unit.

Keywords: Ratio; estimator; finite; population; total; subdomains; mean; per; unit; estimator (search for similar items in EconPapers)
Date: 1993
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