69. College Costs The table lists the average total tuition, fees, room, and board costs (in constant 2014 dollars) at private colleges and universities for selected years. Year 1984 1994 2004 2014 Tuition and Fees 18,354 25,502 31,875 37,424 (in 2014 dollars) 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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69. College Costs The table lists the average total tuition,
fees, room, and board costs (in constant 2014 dollars) at
private colleges and universities for selected years.
Year
1984
1994
2004
2014
Tuition and Fees 18.354 25,502 31,875 37,424
(in 2014 dollars)
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.
Transcribed Image Text:69. College Costs The table lists the average total tuition, fees, room, and board costs (in constant 2014 dollars) at private colleges and universities for selected years. Year 1984 1994 2004 2014 Tuition and Fees 18.354 25,502 31,875 37,424 (in 2014 dollars) 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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