1. Perform a Trend and Seasonal analysis with the following data. Include the trend formula and the multiplicative indices for the seasons. Using the model forecast sales for the next year (all 4 seasons of year 4). Year Season 1 1 1 1 ~~~~ 3 3 3 3 2 2 2 2 sp su W el f sp su W f sp su W f Sales 140 50 130 520 200 110 190 550 260 220 210 570

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1. Perform a Trend and Seasonal analysis with the following data. Include the trend formula
and the multiplicative indices for the seasons. Using the model forecast sales for the next
year (all 4 seasons of year 4).
Year Season Sales
1 sp 140
1 su 50
1 w 130
1 f 520
2 sp 200
2 su 110
2 w 190
2 f 550
3 sp 260
3 su 220
3 w 210
3 f 570

1. Perform a Trend and Seasonal analysis with the following data. Include the trend formula
and the multiplicative indices for the seasons. Using the model forecast sales for the next
year (all 4 seasons of year 4).
Year Season
1
1
1
1
2
2
2
2
3
3
3
3
sp
su
W
f
P
sp
su
W
f
sp
su
W
f
Sales
140
50
130
520
200
110
190
550
260
220
210
570
Transcribed Image Text:1. Perform a Trend and Seasonal analysis with the following data. Include the trend formula and the multiplicative indices for the seasons. Using the model forecast sales for the next year (all 4 seasons of year 4). Year Season 1 1 1 1 2 2 2 2 3 3 3 3 sp su W f P sp su W f sp su W f Sales 140 50 130 520 200 110 190 550 260 220 210 570
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