1. Find the forecasting results based on each year (1991-1995) using the simple linear regression. 2. Find the forecasting results based on each year using the overall average (1991- 1995). 3. Calculate the MSE for each forecasting and for each method, and explain which forecasting is the best. 4. Calculate the Theil's U-Statistic for each forecasting, and explain which forecasting is the best. 5. Compare 3 and 4 above.

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