8. The figure below shows the 2-,3-, and 4- period moving average models for the Tablet Computer Sales data. Which period model is the BEST forecast based on the value of the metrics? Provideevidence from the table above to support your choice.

A B C D E F G H J K L M N P Q Tablet Computer Sales k = 2 k = 3 k = 4 Week Units Sold Forecast Error Absolute Squared Absolute Forecast Error Absolute Squared Absolute Forecast Error Absolute Squared Absolute 88 Deviation Error % Error Deviation Error % Error Deviation Error % Error 44 60 66.00 -6.00 6.00 36.00 10.00 56 52.00 4.00 4.00 16.00 7.14 64.00 -8.00 8.00 64.00 14.29 70 58.00 12.00 12.00 144.00 17.14 53.33 16.67 16.67 277.78 23.81 62.00 8.00 8.00 64.00 11.43 91 63.00 28.00 28.00 784.00 30.77 62.00 29.00 29.00 841.00 31.87 57.50 33.50 33.50 1122.25 36.81 10 54 80.50 -26.50 26.50 702.25 49.07 72.33 -18.33 18.33 336.11 33.95 69.25 -15.25 15.25 232.56 28.24 11 60 72.50 -12.50 12.50 156.25 20.83 71.67 -11.67 11.67 136.11 19.44 67.75 -7.75 7.75 60.06 12.92 12 48 57.00 -9.00 9.00 81.00 18.75 68.33 -20.33 20.33 413.44 42.36 68.75 -20.75 20.75 430.56 43.23 13 10 35 54.00 -19.00 19.00 361.00 54.29 54.00 -19.00 19.00 361.00 54.29 63.25 -28.25 28.25 798.06 80.71 14 11 49 41.50 7.50 7.50 56.25 15.31 47.67 1.33 1.33 1.78 2.72 49.25 -0.25 0.25 0.06 0.51 15 12 44 42.00 2.00 2.00 4.00 4.55 44.00 0.00 0.00 0.00 0.00 48.00 -4,00 4.00 16.00 9.09 16 13 61 46.50 14.50 14.50 210.25 23.77 42.67 18.33 18.33 336.11 30.05 44.00 17.00 17.00 289.00 27.87 17 14 68 52.50 15.50 15.50 240.25 22.79 51.33 16.67 16.67 277.78 24.51 47.25 20.75 20.75 430.56 30.51 18 15 82 64.50 17.50 17.50 306.25 21.34 57.67 24.33 24.33 592.11 29.67 55.50 26.50 26.50 702.25 32.32 19 16 71 75.00 -4.00 4.00 16.00 5.63 70.33 0.67 0.67 0.44 0.94 63.75 7.25 7.25 52.56 10.21 20 17 50 76.50 -26.50 26.50 702.25 53.00 73.67 -23.67 23.67 560.11 47.33 70.50 -20.50 20.50 420.25 41.00 21 18 60.50 13.63 254.38 23.63 67.67 14.86 299.84 25.37 67.75 16.13 355.25 28.07 22 MAD MSE MAPE MAD MSE MAPE MAD MSE MAPE