Chapter 1, Problem 31RE

(a)

To determine

To calculate: The straight line that provides the least squares fit to the data of the percentage of first-year students who were accepted by their first-choice college in recent years where $x=0$ represent $2012$.

Year	Percent
$2012$	$76.7$
$2013$	$75.6$
$2014$	$72.7$
$2015$	$75.5$

(b)

To determine

To calculate: The percentage of first year students in $2017$ that will be accepted by their first-choice college where $x=0$ represent $2012$.

(c)

To determine

To calculate: The year when the percentage of first year students that have been accepted by their first choice college will be $67\%$ where $x=0$ represent $2012$.