\begin{tabular}{|c|c|c|c|c|c|c|c|} \hline \multicolumn{8}{|c|}{ Gasoline Sales } \\ \hline & & & & & & & \\ \hline & & & & & & & \\ \hline & & & & & & & \\ \hline & Actual & 3-week & Squared & 4-week & Squared & 5-week & Squared \\ \hline Week & Sales & Mov. Ave. & Error & Mov. Ave. & Error & Mov. Ave. & Error \\ \hline 1 & 17 & & & & & & \\ \hline 2 & 21 & & & & & & \\ \hline 3 & 19 & & & & & & \\ \hline 4 & 23 & 19.000 & 16.000 & & & & \\ \hline 5 & 18 & 21.000 & 9.000 & & & & \\ \hline 6 & 16 & 20.000 & 16.000 & & & & \\ \hline 7 & 20 & 19.000 & 1.000 & & & & \\ \hline 8 & 18 & 18.000 & 0.000 & & & & \\ \hline 9 & 22 & 18.000 & 16.000 & & & & \\ \hline 10 & 20 & 20.000 & 0.000 & & & & \\ \hline 11 & 15 & 20.000 & 25.000 & & & & \\ \hline 12 & 22 & 19.000 & 9.000 & & & & \\ \hline 13 & ? & 19.000 & & & & & \\ \hline & & & & & & & \\ \hline MSE & & & 10.222 & & & & \\ \hline & & & & & & & \\ \hline Answer & & & & & & & \\ \hline & & & 4-wk Mov A & 5-wk Mov & & & \\ \hline a) & Forecast & & & & & & \\ \hline b) & MSE & & & & & & \\ \hline \end{tabular} Ch8-7 (b) 4-week moving average MSE? (round your answer to 3rd decimal digit) Your Answer: Answer Question 4 (1 point) Ch8-7 (b) 5-week moving average MSE? (round your answer to 3rd decimal digit) Your Answer: \begin{tabular}{|c|c|c|c|c|c|c|c|} \hline \multicolumn{8}{|c|}{ Gasoline Sales } \\ \hline & & & & & & & \\ \hline & & & & & & & \\ \hline & & & & & & & \\ \hline & Actual & 3-week & Squared & 4-week & Squared & 5-week & Squared \\ \hline Week & Sales & Mov. Ave. & Error & Mov. Ave. & Error & Mov. Ave. & Error \\ \hline 1 & 17 & & & & & & \\ \hline 2 & 21 & & & & & & \\ \hline 3 & 19 & & & & & & \\ \hline 4 & 23 & 19.000 & 16.000 & & & & \\ \hline 5 & 18 & 21.000 & 9.000 & & & & \\ \hline 6 & 16 & 20.000 & 16.000 & & & & \\ \hline 7 & 20 & 19.000 & 1.000 & & & & \\ \hline 8 & 18 & 18.000 & 0.000 & & & & \\ \hline 9 & 22 & 18.000 & 16.000 & & & & \\ \hline 10 & 20 & 20.000 & 0.000 & & & & \\ \hline 11 & 15 & 20.000 & 25.000 & & & & \\ \hline 12 & 22 & 19.000 & 9.000 & & & & \\ \hline 13 & ? & 19.000 & & & & & \\ \hline & & & & & & & \\ \hline MSE & & & 10.222 & & & & \\ \hline & & & & & & & \\ \hline Answer & & & & & & & \\ \hline & & & 4-wk Mov A & 5-wk Mov & & & \\ \hline a) & Forecast & & & & & & \\ \hline b) & MSE & & & & & & \\ \hline \end{tabular} Ch8-7 (b) 4-week moving average MSE? (round your answer to 3rd decimal digit) Your Answer: Answer Question 4 (1 point) Ch8-7 (b) 5-week moving average MSE? (round your answer to 3rd decimal digit) Your