Income Family Senior Family Square Feet (000s) Size Parent Education 1 2,240 60.8 2 0 4 2 2,380 68.4 2 1 6 3 3,640 104.5 3 0 7 4 3,360 89.3 4 1 0 5 3,080 72.2 4 0 2 6 2,940 114 3 1 10 7 4,480 125.4 6 6 8 2,520 83.6 3 0 8 9 4,200 133 0 2 10 2,800 95 3 Click here for the Excel Data File a. Develop an appropriate multiple regression equation using stepwise regression. (Use Excel data analysis and enter number of family members first, then their income and delete any insignificant variables. Leave no cells blank - be certain to enter "0" wherever required. R and R2 adj are in percent values. Round your answers to 3 decimal places.) Step 2 Constant Family Size 712.747 371.972 -statistic 6.120 3.590 p-value 0.000 0.009 Income 12.150 f-statistic 2.200 p-value 0.059 S R-Sa R-Sq(adj) 89.820 86.920