The sales of a certain product during a 15 year period have been as follows: Period...

 

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The sales of a certain product during a 15 year period have been as follows: Period Sales Period Sales Period Sales 1 1050 6 2050 11 3000 2 1250 7 1900 12 3600 3 1320 8 2400 13 4000 4 1600 9 2600 14 4300 5 1750 10 3050 15 4500 (a) For the data given as above, assume that the forecasts for period 11 was 3200. If alpha (adjustment factor) is 0.50, derive the forecasts for the periods 12 to 15, using exponential smoothing method. (b) For the data given as above, set n (the period over which averaging is done) equal to 5 and develop forecasts for the periods 12 to 15, using the moving averages method. The sales of a certain product during a 15 year period have been as follows: Period Sales Period Sales Period Sales 1 1050 6 2050 11 3000 2 1250 7 1900 12 3600 3 1320 8 2400 13 4000 4 1600 9 2600 14 4300 5 1750 10 3050 15 4500 (a) For the data given as above, assume that the forecasts for period 11 was 3200. If alpha (adjustment factor) is 0.50, derive the forecasts for the periods 12 to 15, using exponential smoothing method. (b) For the data given as above, set n (the period over which averaging is done) equal to 5 and develop forecasts for the periods 12 to 15, using the moving averages method.

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a Formula for exponential smoothing forecast New forecast last periods forecast alpha l... View the full answer