The following table contains the demand from the last 10 months: Actual A

The following table contains the demand from the last 10 months:

Actual

Actual

Month

Demand

Month

Demand

1

31

6

36

2

34

7

38

3

33

8

40

4

35

9

40

5

37

10

41

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

b. Calculate the exponential smoothing with trend forecast for these data using an a of .30 a d of .30 an initial trend forecast (T1) of 1
and an initial exponentially smoothed forecast (F1) of 30.

c. Calculate the mean absolute deviation (MAD) for each forecast. Which is best?