Sales of roof material, by quarter, since 2005 for Carolina Home Construction Inc. are shown below (in $ thousands).
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Sales of roof material, by quarter, since 2005 for Carolina Home Construction Inc. are shown below (in $

thousands). 1. Determine the typical seasonal patterns for sales using the ratio-to-moving-average method. 2. Deseasonalize the data and determine the trend equation. 3. Project the sales for 2012, and then seasonally adjust each quarter. Screenshot (195).png

Screenshot (195).png

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