Question # 3 3 . ( A ) In Sheet Question #3 perform a multiple regression analysis on the above data to see if household Income and population can be used to predict future sales . ( E ) Predict sales for the next three years based on the income and population projections listed below. "fill in the blank's below ) Estimated Estimated Year INCOME* Population Prediction 1999 58, 000 52.0 2000 62. 000 52. 1 2001 65. 000 52.3 2 ) IS this a good representational model ? Why or why not ? Answer )