Answer to the following questions using the data set (election I-xls) and the model below. You zan download this data set from Sogang cyber campus = + Age65 + "Urban + "COIGrad + /34Union + PsNeast + "Seast + West + 1) Estimate the coefficients ( A, A, "7) and check the significance using t-test. 2) Interpret the meaning of coefficients "6, '3) Report the R2 and adjusted R2 '4) Make a prediction on the choice if a State satisfies the following conditions: Age65=10, Urban=70, Co/Grad=23, and the location is MidWest.