1. What is the percentage of the variance in demand that is explained by the regression model? - (please enter your answer as a rounded percentage without the \% symbol; e.g., 0.8241 => 82; - use conventional rounding rules: e.g., 61.49=>61;78.5079 ) 2. The mean absolute deviation is - (please round to the nearest integer: e.g., 4.494;3.504 ) 3. The mean error is - (please round to the nearest integer: e.g., 4.49=>4;3.50=>4 ) 4. The (in-sample) forecast for period 22 will be - (please round to the nearest integer: e.g., 4.49=>4;3.50=>4 ) 5. The (in-sample) forecast for period 1 will be - (please round to the nearest integer: e.g., 4.49=>4;3.50=>4 ) 6. The (out-of-sample) forecast for period 25 will be - (please round to the nearest integer: e.g., 4.49=>4;3.50=>4 ) \begin{tabular}{|c|c|c|c|c|c|} \hline & A & B & C & D & E \\ \hline 1 & Month & Demand & Forecast & FE & Abs. FE \\ \hline 2 & 1 & 30 & & & \\ \hline 3 & 2 & 36 & & & \\ \hline 4 & 3 & 33 & & & \\ \hline 5 & 4 & 38 & & & \\ \hline 6 & 5 & 39 & & & \\ \hline 7 & 6 & 40 & & & \\ \hline 8 & 7 & 37 & & \\ \hline 9 & 8 & 39 & & \\ \hline 10 & 9 & 35 & & \\ \hline 11 & 10 & 35 & & \\ \hline 12 & 11 & 41 & & \\ \hline 13 & 12 & 38 & & \\ \hline 14 & 13 & 36 & & \\ \hline 15 & 14 & 35 & & \\ \hline 16 & 15 & 37 & & \\ \hline 17 & 16 & 37 & & \\ \hline 18 & 17 & 40 & & \\ \hline 19 & 18 & 39 & & \\ \hline 20 & 19 & 37 & & \\ \hline 21 & 20 & 30 & & \\ \hline 22 & 21 & 38 & & \\ \hline 23 & 22 & 35 & & \\ \hline 24 & 23 & 27 & & \\ \hline 25 & 24 & 27 & & \\ \hline 26 & 25 & & & \\ \hline 27 & & & \\ \hline \end{tabular}