1. In the following table, missing values are identified by a letter. As an example, you must find the forecast for period 18 using the simple moving average mentioned. Present your answers without detailing your calculations and keeping 2 decimal places.

		Forecasting models
		Simple moving average of order4	Weighted moving average of order 3 withw1 = 0,75	Exponential smoothing simple a = 0,6	Double exponential. smoothing a = 0,4 etd = 0,3
Periode	Demande	Ft	Ft	Ft	St	Tt	Ft
14	34
15	35			34,00	35,00	1,00
16	32		34,75	E	34,40	0,52	J
17	36		32,75	33,04	35,35	0,65	34,92
18	33	34,25	C	34,82	34,80	H	36,00
19	31	34,00	33,75	F	33,45	-0,20	35,09
20	34	33,00	D	32,09	G	-0,11	33,25
21	34	A	33,25	33,24	33,66	-0,04	33,44
22	36	33,00	34,00	33,69	34,57	0,24	K
23	33	B	35,50	35,08	34,09	0,02	34,81