The number of students enrolled at C&A Academy has been steadily increasing over the past 5 years. The school board would like to forecast enrollment in order to better plan capacity. Use a linear trend line to forecast enrollment for year 2008, using the data below.
Year                  Enrollment
2001                        451
2002                        383
2003                        210
2004                        354
2005                        350

The answer is:

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slope m = (5*5013 – 15*1748)/(5*55 – 15^2)
             = - 23.1

b = (1748 +23...

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