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Problem 3 One of the items a garden supply store stocks is a certain liquid fertilizer. The sales of this fertilizer are seasonal. Quarterly demands
Problem 3 One of the items a garden supply store stocks is a certain liquid fertilizer. The sales of this fertilizer are seasonal. Quarterly demands (in cases) for the past 2 years follow. Quarter 1 2 3 Year 1 Year 2 45 67 339 444 299 329 222 283 a. Compute the quarterly seasonal indices for the demand using the simple average method. b. De-seasonalize the admissions demand. c. Develop a linear trend equation using the de-seasonalized demand. d. Develop a trend (de-seasonalized) forecast for quarters 1 to 4 for year 3. e. Develop a final seasonalized forecast for quarters 1 to 4 for year 3.
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