The Dean of a School of Business Is Forecasting Total

Multiple Choice

The dean of a school of business is forecasting total student enrollment for this year's summer session classes based on the following historical data: $$\begin{array} { l l } \text { Year } & \text { Enrollment } \\\hline \text { Four years ago } & 2000 \\\text { Three years ago } & 2200 \\\text { Two years ago } & 2800 \\\text { Last year } & 3000\end{array}$$ What is the annual rate of change (slope) of the least squares trend line for these data?

A) 0
B) 200
C) 400
D) 180
E) 360