Highland Automotvie
the Table Below Summarizes the Number of New

Short Answer

Highland Automotvie
The table below summarizes the number of new cars Highland Automotive sold during each of the last five weeks along with a forecast that was generated for each of those weeks.
$$\begin{array} { | c | c | c } \hline \text { Week } & \text { Number af Cars 5ald } & \text { Farecast } \\\hline 1 & 24 & 20 \\\hline 2 & 21 & 22 \\\hline 3 & 25 & 21 \\\hline 4 & 19 & 23 \\\hline 5 & 34 & 21 \\\hline\end{array}$$
-What is the mean squared error for this forecast?