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2012 | 13 | nr 3 | 473--494
Tytuł artykułu

On Classes of Modified Ratio Type and Regression-Cum-Ratio Type Estimators in Sample Surveys Using Two Auxiliary Variables

Autorzy
Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
In this paper generalized classes of modified ratio type and regression-cum-ratio type estimators of the finite population mean of the study variable are suggested in the presence of two auxiliary variables in simple random sampling without replacement when the population means of the auxiliary variables are known in advance. Some special cases of the generalized estimators are compared with respect to their biases and efficiencies both theoretically and with the help of some natural populations. (original abstract)
Rocznik
Tom
13
Numer
Strony
473--494
Opis fizyczny
Twórcy
  • Utkal University, Bhubaneswar, India
Bibliografia
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  • JOHN, S. (1969). On multivariate ratio and product estimators, Biometrika, 56, 533-536.
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  • KHARE, B. B. and SRIVASTAVA, S. R. (1981). A generalized regression ratio estimator for the population mean using two auxiliary variables. Aligarh J. Statist, 1, 43- 51.
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  • MURTHY, M. N. (1964). Product method of estimation. Sankhya, Series A, 26, 294-307.
  • NEYMAN, J. (1934). On the two different aspects of representative method : The method of stratified. Sampling and the method of purposive selection. J. Roy. Statist. Soc., 97, 558-606.
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  • ROBSON, D. S. (1957). Applications of multivariate polykays to the theory of unbiased ratio type estimators. J. Amer. Stat. Assoc., 52, 511-522.
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Bibliografia
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