Question: Plot the final forecast along with the actual sales data. Does the forecast appear reasonable? Explain. Why do you think the April, May, August, and
Plot the final forecast along with the actual sales data. Does the forecast appear reasonable? Explain.
Why do you think the April, May, August, and December seasonal indices are greater than 1?
\begin{tabular}{lc} Month & SI \\ \hline Jan & 0.74 \\ Feb & 0.81 \\ Mar & 1.00 \\ Apr & 1.03 \\ May & 1.04 \\ Jun & 0.98 \\ Jul & 0.98 \\ Aug & 1.23 \\ Sep & 0.96 \\ Oct & 0.94 \\ Nov & 0.98 \\ Dec & 1.31 \end{tabular}
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