7 the follow table contains the demand from the last 10 months :

Explanation:

Month Actual Demand Month Actual Demand

1 31 6 36

2 34 7 38

3 33 8 40

4 35 9 40

5 37 10 41

Show Work and answer the following:

a.) calculate the single exponential smoothing forcast for these data using a of .30 and an initial forecast ( F1) of 31.

b.) calculate the exponential smooting with trend forecast for these data using an a of .30, & of .30, and an initial trend forecast ( T1) of 1, and an initil exponentailly smoothed forecast F1 of 30,

c.) calculate the mean absolute deviation (MAD0 for each forecast

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