Comparison of Ordinary Least Square (OLS) with Two-Step Robust Weight Least Square (TSRWLS) in Estimating the Parameters of the Multiple Linear Regression Model with Heteroscedastic and Outliers in the Response Variable. Al-Rafidain J Sci [Internet]. 2022 Jan. 21 [cited 2024 Nov. 19];50(3):75-86. Available from: https://alhadhar.com/raf-journal/index.php/JAUCS/article/view/502