High School Enrollment The table lists the number of students (in millions...

High School Enrollment The table lists the number of students (in millions) attending U.S. public school (grades 9-12) for selected years, where x = 0 corresponds to 2000, x = 1 to 2001, and so on.

(a) Use regression to find a formula f(x) = ax + b so that f models the data.

(b) Estimate enrollment in 2002 and compare the estimate to the actual value of 14.1 million.