Sakshi Rai, Rajesh Singh, Poonam Singh,. “Estimators Using EWMA Statistic for Estimation of Population Mean”. Mathematical Statistician and Engineering Applications 72, no. 2 (September 12, 2023): 31 –. Accessed May 20, 2024. https://www.philstat.org/index.php/MSEA/article/view/2775.