B (udents from an astronomy class Student Number of Absences Final Grade (percent) 1 5 79 6 78 3 2 86 4 12 56 5 75 6 5 90 8 78 8 15 48 9 0 92 10 78 11 81 12 3 96 13 10 75 14 3 89 15 11 65 The linear regression line is yrax+b y-72x-853 Oy-255-94.56 y-94-2.55 80 S 4 55 300 MacBook Pro 1800 BE 89 6 7 27 & 8 9 E R T Y U 1 D LL F G H J K