Use technology to find (a) the multiple regression equation for the data shown in the accompanying table, (b) the standard error estimate and interpret the result, and (c) the coefficient of determination and interpret the result. The accompanying table shows the total square footages (in billions) of retailing space at shopping centers, the numbers (in thousands) of shopping centers, and the sales (in billions of dollars) for shopping centers for eight years. y x1 x2 123.6 1.7 13.6 211.1 2.3 17.8 385.2 3.1 22.3 475.6 3.6 25.4 641.9 3.9 32.2 716.7 4.6 37.9 768.4 4.7 38.9 806.3 4.8 39.5 851.6 4.9 40.7 893.7 5.0 41.8 933.8 5.1 42.1 What is the regression equation? ModifyingAbove y with caretequals negative 270.04plus( 86.16)x 1plus( 17.07)x 2 (Round to two decimal places as needed.) Part 2 (b) The standard error is enter your response here. (Round to two decimal places as needed.)