Monthly demand at A&D electronics for flat screen TVs are as follows:
|
Month
|
Demand (units)
|
|
1
|
9,000
|
|
2
|
12,000
|
|
3
|
21,000
|
|
4
|
33,000
|
|
5
|
12,000
|
|
6
|
16,000
|
|
7
|
20,000
|
|
8
|
35,000
|
|
9
|
14,000
|
|
10
|
15,000
|
|
11
|
30,000
|
|
12
|
40,000
|
Estimate demand for the next two weeks (13 - what do you suggest as forecast in week 14) using simple exponential smoothing with a = 0.3 and exponential smoothing with trend adjustment (Holt's Model) with a = 0.1 and b = 0.2.
For the simple exponential model use