Comparison of the mean per unit and ratio estimators under a simple applications-motivated model
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.
Year of publication: |
1993
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Authors: | Page, Connie ; Kreling, David ; Matsumura, Ella Mae |
Published in: |
Statistics & Probability Letters. - Elsevier, ISSN 0167-7152. - Vol. 17.1993, 2, p. 97-104
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Publisher: |
Elsevier |
Keywords: | Ratio estimator finite population total subdomains mean per unit estimator |
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