Efficient classes of ratio-cum-product estimators of population mean in stratified random sampling

• Autorzy: Vishwakarma G. K. , Kumar M.
• Języki publikacji: EN

Abstrakty

EN

In this paper, classes of separate and combined ratio-product estimators are proposed for estimating the finite population mean in stratified random sampling. The expressions for biases and mean squared errors (MSEs) of the proposed classes are derived to the first order of approximation. It is also verified that the proposed classes of estimators, under their optimum conditions, are equivalent to the separate regression estimator. The proposed classes of estimators are compared with the other existing estimators by using the MSE criterion, and the conditions under which the proposed classes perform better are obtained. Theoretical results are validated with the help of an empirical study.

Słowa kluczowe

EN

study variable; auxiliary variable; stratified random sampling; population mean; bias; MSE; mean squared errors

• Wydawca: Wrocław University of Science and Technology
• Czasopismo: Probability and Mathematical Statistics
• Rocznik: 2016
• Tom: Vol. 36, Fasc. 2
• Strony: 267--278
• Opis fizyczny: Bibliogr. 22 poz., tab.

Twórcy

autor

Vishwakarma G. K.

• Department of Applied Mathematics, Indian School of Mines, Dhanbad-826004, India

autor

Kumar M.

• Department of Applied Mathematics, Indian School of Mines, Dhanbad-826004, India

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).