Cost of Public College EducationThe table lists theaverage annual costs (in dollars) of tuition and fees at public four-year colleges for selected years.
Year | Tuition and Fees (in dollars) |
2000 | 3505 |
2003 | 4632 |
2005 | 5491 |
2008 | 6532 |
2010 | 7605 |
(a) Use a calculator to find the least-squares regression line for these data, where x is the number of years after 2000.
(b) Based on your result from part (a), write an equation that yields the same y-values when the actual year is entered.
(c) Estimate the cost of tuition and fees in 2009 to the nearest hundred dollars.
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