1. UWI.GPA = 1. 29+.453ScoSciGPA+ 0.094ArtsGPA, n = 141, R² =. 176 UWIGPA – University of the West Indies GPA, ScoSciGPA – Social Science GPA, ARTSGPA - Arts GPA a. Explain R? b. What other factors can cause R2 to affected? 2. Using OLS or any other suitable method, Prove that E(B1) = B1 E(Bo) = Bo

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