The following data show the quarterly sales for FitRite Auto parts. The goal will be to create a multiplicative time series decomposition forecast. Year Quarter Sales CMA Raw Seasonal Factor 160 180 8. 3 180 190 1.06 4 170 188.75 0.90 1 200 201.25 0.99 2 210 217.5 0.97 3 260 226.25 1.15 4 230 231.25 0.99 1 210 240 10 3 290 4 260 Calculate the CMA and raw seasonal factors for quarters 1 and 2 of Year 10 (there are four missing quantities). Take all calculations, and the answer, to two decimal places. Hint: You will need to compute the CMA values in order to find the raw seasonal factors.
The following data show the quarterly sales for FitRite Auto parts. The goal will be to create a multiplicative time series decomposition forecast. Year Quarter Sales CMA Raw Seasonal Factor 160 180 8. 3 180 190 1.06 4 170 188.75 0.90 1 200 201.25 0.99 2 210 217.5 0.97 3 260 226.25 1.15 4 230 231.25 0.99 1 210 240 10 3 290 4 260 Calculate the CMA and raw seasonal factors for quarters 1 and 2 of Year 10 (there are four missing quantities). Take all calculations, and the answer, to two decimal places. Hint: You will need to compute the CMA values in order to find the raw seasonal factors.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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Transcribed Image Text:The following data show the quarterly sales for FitRite Auto parts. The goal will be to create a multiplicative time series decomposition forecast.
Year Quarter Sales CMA
Raw Seasonal Factor
160
2
8
3
180|
190
180
1.06
4
170
188.75
0.90
1
200
201.25
0.99
210
217.5
0.97
9
3
260
226.25
1.15
14
230
231.25
0.99
210
10
2
240
3
290
4
260
Calculate the CMA and raw seasonal factors for quarters 1 and 2 of Year 10 (there are four missing quantities). Take all calculations, and the answer, to two decimal places.
Hint: You will need to compute the CMA values in order to find the raw seasonal factors.
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