Question: The quarterly sales for a specific educational software over the past five years are given in the following table. Year 1 Year 2 Year 3

The quarterly sales for a specific educational software over the past five years are given in the following table.

	Year 1	Year 2	Year 3	Year 4	Year 5
Quarter 1	1710	1820	1830	1870
Quarter 2		910	1090	1120	1180
Quarter 3	2720		2900		2980
Quarter 4	2430	2200	2590	2710	2820
Year Total

0. Fill in the blank spaces with your own data

a. Forecast the total annual demand for Year 6, using past annual sales. Use 2-year Moving Average

b. Forecast the total annual demand for Year 6, using past annual sales. Use Single Exponential Smoothing with =0.5 You can make an educated guess for F₀ if you need to.

c. Using MAD or MSE, decide which of the above methods will give a more accurate forecast for the total annual demand.

d. Compute the four seasonal factors and then forecast the demand for each quarter of Year 6.

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