The following table gives the percentage of first-year students who were accepted by their first-choice college in recent years.
(a) Use the method of least squares to obtain the straight line that best fits these data. (Let x = 0 represent 2012.)
(b) If this trend continues, what percentage of first-year students in 2017 will have been accepted by their first-choice college?
(c) If this trend continues, when will 67% of first-year students have been accepted by their first-choice college?
Year Percent
2012...................................76.7
2013...................................75.6
2014...................................72.7
2015...................................75.5