Commute Time (minutes), x
Commute time(minutes) X 5 15 30 40 60 72 105
Well being index score Y 69.0 67.6 65.9 65.0 63.1 62.6 58.9
(a) Find the least-squares regression line treating the commute time, x, as the explanatory variable and the index sc
y, as the response variable.
ŷ=[]x+[]
(Round to three decimal places as needed.)