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2022. 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. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ). 50, 3 (Jan. 2022), 75–86. DOI:https://doi.org/10.55562/jrucs.v50i3.502.