Estimation of population coefficient of dispersion using auxiliary information in simple random sampling

P Mishra, M Mishra, R Singh - AIP Conference Proceedings, 2023 - pubs.aip.org
It is a well-established fact in sampling survey theory that using auxiliary information during
the estimation stage aids in increasing the precision of estimator for unknown population …

A note on the estimators for coefficient of dispersion using auxiliary information

R Singh, G Kumar Vishwakarma… - … in Statistics-Simulation …, 2020 - Taylor & Francis
Ambati et al. proposed an estimator for estimating the unknown coefficient of dispersion
under simple random sampling without replacement case. Erroneously, the mean squared …

Generalized regression cum ratio estimators of population variance in two phase sampling

S Kaleem, H Khan, M Aslam - Journal of Statistics and …, 2020 - Taylor & Francis
This study suggested the generalized regression cum ratio estimators for estimating the
population variance of the variable under study. The bias and mean squared error of the …

[DOC][DOC] GENERALIZED CLASS OF ESTIMATORS FOR COEFFICIENT OF DISPERSION USING AUXILIARY INFORMATION

PMGK Vishwakarma, R Singh - researchgate.net
Ambati et al.(2017) proposed an estimator for estimating unknown coefficient of estimator
under simple random sampling without replacement case. Unfortunately the mean squared …