“Estimating Linear Regression Parameters in the Presence of the Autocorrelation Problem and High Leverage Values”. 2025. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 56 (1): 274-82. https://doi.org/10.55562/jrucs.v56i1.25.