Scientia Iranica

Scientia Iranica

Keywords = Auxiliary variable
Number of Articles: 10

A novel improved class of ratio-product type exponential estimators of population variance

Volume 29, Issue 4, July and August 2022, Pages 2115-2133

10.24200/sci.2020.53481.3260

F. Naz, T. Nawaz, M. Abid, T. Pang

An improved and robust class of variance estimator

Volume 28, Issue 6, November and December 2021, Pages 3589-3601

10.24200/sci.2020.52986.2986

M. Abid, R. A. Kh. Sherwani, M. Tahir, H. Z. Nazir, M. Riaz

Hartley-Ross type unbiased estimators of population mean using two auxiliary variables

Volume 26, Issue 6, November and December 2019, Pages 3835-3845

10.24200/sci.2018.5648.1397

M. Javed, M. Irfan, T. Pang

Improved Ratio Estimators of Variance Based on Robust Measures

Volume 26, Issue 4, July and August 2019, Pages 2484-2494

10.24200/sci.2018.20604

M. Abid, S. Ahmed, M. Tahir, H. Zafar Nazir, M. Riaz

Efficient ratio-type estimators of finite population mean based on correlation coefficient

Volume 25, Issue 4, July and August 2018, Pages 2361-2372

10.24200/sci.2017.4455

Muhammad Irfan, Maria Javed, Zhengyan Lin