Sales of tablet computers at Ted? Glickman’s electronics store in? Washington, D.C., over the past 10 weeks are shown in the table? below:
|
Week |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|
Demand |
20 |
23 |
29 |
37 |
24 |
30 |
36 |
24 |
25 |
28 |
?
?a) The forecast for weeks 2 through 10 using exponential smoothing with a ?= 0.55 and a week 1 initial forecast of 20.0 are ?(round your responses to two decimal?places):
|
Week |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|
Demand |
20 |
23 |
29 |
37 |
24 |
30 |
36 |
24 |
25 |
28 |
|
Forecast |
20.0 |
__ |
__ |
__ |
__ |
___ |
___ |
___ |
___ |
___ |
?b) For the forecast developed using exponential smoothing ?(a ?= 0.55 and initial forecast 20.0?), the MAD? = ____ sales ?(round your response to two decimal? places).
?c) For the forecast developed using exponential smoothing ?(a?= 0.55 and initial forecast 20.0?), the tracking signal? = ____ (round your response to two decimal? places).
