Improved exponential estimator for population variance using two auxiliary variables

By Rajesh Singh, Pankaj Chauhan, Nirmala Sawan, Florentin Smarandache. 2009

62 citations recorded by the source corpus.

In this paper exponential ratio and exponential product type estimators using two auxiliary variables are proposed for estimating unknown popoulation variance S 2 y. Problem is extended to the case of two-phase sampling. Theoretical results are supported by an empirical study

Subfields: Epidemiology, Statistics and Probability

View Paper: https://www.semanticscholar.org/paper/d5d438176c10faf73442257b2c0218f83c0926c8

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Epidemiology

1. Cem Kadılar
2. Subhash Kumar Yadav

In Statistics and Probability

1. Cem Kadılar
2. Subhash Kumar Yadav
3. Hulya Cingi
4. Housila P. Singh
5. Nursel Koyuncu
6. Javid Shabbir

Citations in the corpus

• Improved Exponential Type Ratio Estimator of Population Variance (2013, methodology): “…in (11) reduces to t (1) Re = s 2 y exp [ S2x − s2x S2x ] (13) Revista Colombiana de Estadística 36 (2013) 145–152 (iii) For α = 2, t(α)Re in (11) reduces to Singh et al. (2011) ratio exponential type estimator tRe = s 2 y exp [ S2x − s2x S2x + s 2 x ] (14) Then, we have investigated for which…”