The data below represent commute times in minutes) and scores on a well-being survey. Complete parts (a) through (d) below. Commute Time (minutes), x
5 20 30 35 50 72
105
Well-Being Index Score, y
69.0 67.1 65.9 65.5 64.0 62.7 58.9
(a) Find the least-squares regression line treating the commute time, x, as the explanatory variable and the index score, y, as the response variable.
ŷ = x+
(Round to three decimal places as needed.)