Question

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

answer to all the boxes plz

MONTH	ACTUAL DEMAND
1	31
2	34
3	35
4	39
5	40
6	45
7	45
8	47
9	43
10	44

a. Calculate the single exponential smoothing forecast for these data using an α of 0.30 and an initial forecast (F₁) of 31. (Round your intermediate calculations and answers to 2 decimal places.)

Month	Exponential Smoothing
1
2
3
4
5
6
7
8
9
10

b. Calculate the exponential smoothing with trend forecast for these data using an α of 0.30, a δ of 0.30, an initial trend forecast (T₁) of 1.00, and an initial exponentially smoothed forecast (F₁) of 30. (Round your intermediate calculations and answers to 2 decimal places.)

Month	FITt
1
2
3
4
5
6
7
8
9
10

c-1. Calculate the mean absolute deviation (MAD) for the last nine months of forecasts. (Round your intermediate calculations and answers to 2 decimal places.)

	MAD
Single exponential smoothing forecast
Exponential smoothing with trend forecast

Answer 1