4.14 What are the MAD and MSE for each method?

15 ons a) Use exponential smoothing. first with a smooth of .6 and then with one of to ng cont through 6. 9. develop forecasts for years 2 b) Use a 3-year moving average to forecast demand in years 4,5. car and 6. c) Use the trend-projection method to forecast demand in year through 6. do With MAD as the criterion, which of the four forecastin methods best? Px 4.14 Following are two weekly forecasts made by two dif ferent methods for the number of gallons of gasoline, in thou. sands, demanded at a local gasoline station. Also shown are actual demand levels, in thousands of gallons FORECASTS WEEK METHOD 1 METHOD 2 ACTUAL DEMAND 0.90 0.80 0.70 2 1.05 1.20 1.00 0.95 0.90 1.00 20 What are the MAD and MSE for each method? 4.15 Refer to Solved Problem 4.1 on page 144. Volkswagen Beetles in Nevada through year 6. b) What is the MAD? s c) What is the MSE? s 4.16 Refer to solved Problem 4.1 on page 144 s a) Using the trend projection (regression method, develop