The data below represent the number of days absent, x, and the final grade, y, for...

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The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university. Complete parts (a) through (e) below. No. of absences, x 0 1 2 3 4 5 6 7 8 9 Final grade, y 89.3 86.5 83.6 81.3 78.4 74.1 64.3 69.2 66.4 63.6 (a) Find the least-squares regression line treating the number of absences, x, as the explanatory variable and the final grade, y, as the response variable. y -x+ X+ (Round to three decimal places as needed.) The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university. Complete parts (a) through (e) below. No. of absences, x 0 1 2 3 4 5 6 7 8 9 Final grade, y 89.3 86.5 83.6 81.3 78.4 74.1 64.3 69.2 66.4 63.6 (a) Find the least-squares regression line treating the number of absences, x, as the explanatory variable and the final grade, y, as the response variable. y -x+ X+ (Round to three decimal places as needed.)