Tuition and Fees The table lists the average tuition and fees at private c...

Tuition and Fees The table lists the average tuition and fees at private colleges and universities for selected years.

(a) Find the equation of the least-squares regression line that models the data.

(b) Graph the data and the regression line in the same viewing window.

(c) Estimate tuition and fees in 2006.

(d) Use the model to predict tuition and fees in 2013.