Chris is employed by a resort and sells timeshares. The following table shows th
ID: 2946496 • Letter: C
Question
Chris is employed by a resort and sells timeshares. The following table shows the number of timeshare sales for Chris for each quarter over the past three years.
Period
Quarter
Sales
Period
Quarter
Sales
1
1
10
7
3
12
2
2
16
8
4
8
3
3
11
9
1
13
4
4
7
10
2
17
5
1
11
11
3
12
6
2
14
12
4
9
What is the sales forecast for Period 13 using multiplicative? decomposition? Round to one decimal place.
A.
14.9
B.
13.7
C.
14.3
D.
12.0
Period
Quarter
Sales
Period
Quarter
Sales
1
1
10
7
3
12
2
2
16
8
4
8
3
3
11
9
1
13
4
4
7
10
2
17
5
1
11
11
3
12
6
2
14
12
4
9
Explanation / Answer
from abve :
applyinfg regression to deseasonal index:
also seasonal index for quarter 1 =1.03
hence forecast for period 13=(0.379*13+15.146)*1.03=13.7
option B is correct
t sales 4-Qtr Moving Averages Centrd Moving averages seasonal irregular value deseasonal index 1 10 14.71 2 16 18.39 3 11 11 11.125 0.989 16.18 4 7 11.25 11.000 0.636 16.28 5 11 10.75 10.875 1.011 16.18 6 14 11 11.125 1.258 16.09 7 12 11.25 11.500 1.043 17.65 8 8 11.75 12.125 0.660 18.60 9 13 12.5 12.500 1.040 19.12 10 17 12.5 12.625 1.347 19.54 11 12 12.75 17.65 12 9 20.93Related Questions
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