Keywords = percentage relative efficiency
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


Generalized Variance Estimator using Auxiliary Information in the Presence and Absence of Measurement Error

Volume 29, Issue 4, July and August 2022, Pages 1868-1879

10.24200/sci.2022.57298.5164

M. Umair Tariq; M. Nouman Qureshi; M. Hanif


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