Find the (a)explained variation, (b)unexplained variation, (c)total variation, (d)coefficient of determination, and (e)standard error of estimate se. In each case, there is sufficient evidece to support a claim of a linear correlation so that it is reasonable to use the regression equation when making predictions.
The Consumer Price Index (CPI) and the cost of subway fare from Table 10-1 in the chapter problem are listed below.
CPI: 30.2, 48.3, 112.3, 162.2, 191.9, 197.8
Subway Fare: 0.15, 0.35, 1.00, 1.35, 1.50, 2.00