Question 1 mars A cor dealer wants to forecast quarterly sales for each quaner of 2003. do the data hele YON பொன் Sales
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Question 1 mars A cor dealer wants to forecast quarterly sales for each quaner of 2003. do the data hele YON பொன் Sales
Question 1 mars A cor dealer wants to forecast quarterly sales for each quaner of 2003. do the data hele YON பொன் Sales 2018 2 1 4 1 2 3 4 1 222 233 372 215 20 220 2015 3030 210 252 212 100 200 250 210 3:40 3 4 1 2 3 4 2021 a. Determine quarterly seasonal clatives using the centered moving average method Name b. Descasonalize the sales Year Quarter Sales 2018 N-d- 1 2 3 4 225 272 233 372 215 260 220 358 2019 2