Module 8 : Time Series Analysis Using Decomposition
EXAMPLE 2
Contd..
Quarter
Demand
From trend equation
Ratio of actual/trend
Seasonal factor
2000
Tt = 170 + 55t
I
300
225
1.25
II
200
280
0.78
III
220
335
0.69
IV
530
390
1.25
2001
I
520
445
II
420
500
III
400
555
IV
700
610
41
42
43
44
45
46
47
48
49
50
Prof.S.G.Deshmukh & Prof.Arun Kanda
