(Modeling) Solve the problem.
Tuition and Fees The table lists the average tuition and fees (in constant 2010 dollars) at private colleges and universities for selected years.
Year | 1980 | 1990 | 2000 | 2010 |
Tuition and Fees (in 2010 dollars) | 13,686 | 20,894 | 26,456 | 31,395 |
Source: National Center for Education Statistics.
(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 2005, and compare it with the actual value of $29,307.
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