Figures for acres of tomatoes harvested in the United States from an 11-year period follow. The data are published by the U.S. Department of Agriculture. With these data, forecasts have been made by using techniques presented later in this chapter. Compute MAD and MSE on these forecasts. Comment on theerrors.

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Year Number of Acres Forecast 140,000 141,730 134,590 131,710 131,910 134,250 135,220 131,020 120,640 115,190 114,510 140,000 141,038 137,169 133,894 132,704 133,632 134,585 132,446 125,362 119,259 4 7 10