Online Statistics - Iunxis Fall 2041 Quiz: Chapter 4 Quiz The data below represent the number of days absent, x, and the final grade, y, for a sam No. of absences, x 0 2 3 4 5 6 17 8 9 Final grade, y 87 8 85.0 82 1 797 76.8 72.5 63 1 67 5 646 618 (a) Find the least-squares regression line treating the number of absences, x, as the exp K X + (Round to three decimal places as needed.)