Polish Statistical Association

Central Statistical Office of Poland

**Subject:** Economics, Statistics & Probability

**ISSN:** 1234-7655

**eISSN:** 2450-0291

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B. B. Khare
/
R. R. Sinha
^{*}

**Keywords : **
product,
bias,
mean square error,
auxiliary characters,
non-response

**Citation Information : **
Statistics in Transition New Series. Volume 20,
Issue 3,
Pages 81-95,
DOI: https://doi.org/10.21307/stattrans-2019-025

**License : **
(CC BY-NC-ND 4.0)

**Received Date : **07-April-2018
/
**Published Online: ** 04-September-2019

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This paper considers the problem of estimating the product of two population means using the information on multi-auxiliary characters with double sampling the non-respondents. Classes of estimators are proposed for estimating P under two different situations [discussed by Rao (1986, 90)] using known population mean of multi-auxiliary characters. Further, this problem has been extended to the case when population means of the auxiliary characters are unknown and they are estimated on the basis of a larger first phase sample. In this situation, a class of two phase sampling estimators for estimating P is suggested using multi-auxiliary characters with unknown population means in the presence of non-response. The expressions of bias and mean square error of all the proposed estimators are derived and their properties are studied. An empirical study using real data sets is given to justify the theoretical considerations.

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