The President of State University Wants to Forecast Student Enrollments

The president of State University wants to forecast student enrollments for this academic year based on the following historical data: $$\begin{array} { | l | c | } \hline \text { Year } & \text { Enrollments } \\\hline \text { 5 Years ago } & 15,000 \\\hline \text { 4 Years ago } & 16,000 \\\hline 3 \text { Years ago } & 18,000 \\\hline \text { 2 Years ago } & 20,000 \\\hline \text { Last Year } & 21,000 \\\hline\end{array}$$
What is the forecast for this year using the least squares trend line for these data?

A)  18,750
B)  19,500
C)  21,000
D)  22,650
E)  22,800

Correct Answer:

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