The number of initial public offerings of stock issued in a 10-year period and the total proceeds of these offerings (in millions) are shown in the table. The equation of the regression line is y = 48.633x + 17,981.53. Complete parts a and b. Issues, x 408 472 676 480 499 377 62 69 193 162 Proceeds, 19, 131 27,937 43,582 31,696 65,995 65,819 20,246 11,772 31,243 27,650 (a) Find the coefficient of determination and interpret the result. (Round to three decimal places as needed.)