Question: Make an exponential smoothing forecast with =0.2 for year 1 quarter 2 at the end of year 1 quarter 1; and then make a forecast

Make an exponential smoothing forecast with =0.2 for year 1 quarter 2 at the end of year 1 quarter 1; and then make a forecast for year 1 quarter 3. Assume initial forecast for year 1 quarter 1 as 500. Compute squared error separately for these two periods. Show all calculations. No need to round your numbers

Year Quarter Sales

1	1	544
	2	582
	3	681
	4	557
2	1	628
	2	707
	3	773
	4	592
3	1	627
	2	725
	3	854
	4	661

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