The table shows the total square footage​ (in billions) of retailing space at shopping centers and their sales​ (in billions of​ dollars) for 10 years. The equation of the regression line is ModifyingAbove y with caret = 596.014 x - 2143.890 .
Complete parts a and b.
Total Square​ Footage, x 5.1 5.2 5.1 5.4 5.5 5.8 5.7 5.9 5.9 6.1
​Sales, y 855.8 940.8 979.7 1058.6 1123.3 1207.1 1278.4 1341.7 1446.9 1526.8