Keywords = Auxiliary variable
Number of Articles: 8
1. Difference-Type-Exponential Estimators Based on Dual Auxiliary Information Under Simple Random Sampling

Articles in Press, Accepted Manuscript, Available Online from 21 April 2020

Muhammad Irfan; Maria Javed; Sajjad Haider Bhatti


2. A new improved class of ratio-product type exponential estimators of the population variance

Articles in Press, Accepted Manuscript, Available Online from 21 September 2020

FARAH NAZ; Tahir Nawaz; Muhammad Abid; Tianxiao Pang


3. An Improved and Robust Class of Variance Estimator

Articles in Press, Accepted Manuscript, Available Online from 21 September 2020

Muhammad Abid; Rehan Ahmad Khan Sherwani; Muhammad Tahir; Hafiz Nazir; Muhammad Riaz


4. Enhancing efficiency of ratio-type estimators of population variance by a combination of information on robust location measures

Volume 27, Issue 4, July and August 2020, Pages 2040-2056

Farah Naz; Muhammad Abid; Tahir Nawaz; Tianxiao Pang


5. On designing CUSUM charts using ratio-type estimators for monitoring the location of normal processes

Volume 27, Issue 3, May and June 2020, Pages 1593-1605

Muhammad Ali Raza; Tahir Nawaz; Muhammad Aslam


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

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

Maria Javed; Muhammad Irfan; Tianxiao Pang


7. Improved Ratio Estimators of Variance Based on Robust Measures

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

Muhammad Abid; Shabbir Ahmed; Muhammad Tahir; Hafiz Zafar Nazir; Muhammad Riaz


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

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

Muhammad Irfan; Maria Javed; Zhengyan Lin