Question: Problem 2. (10 Marks) Using the table below creating a 3-year and 4-year moving average and predict sales for 2008. Find the mean absolute deviation

Problem 2. (10 Marks) Using the table below

Problem 2. (10 Marks) Using the table below creating a 3-year and 4-year moving average and predict sales for 2008. Find the mean absolute deviation (MAD) for both the 3 and 4 year moving averages. MAD = Error n Year Sales 3-Year Moving Average Absolute Error 3-year Moving Average 4-Year Moving Average Absolute Error 4-Year Moving Average 2001 2030 2002 2155 2003 2382 2004 2412 2005 2606 2000 2007 3018 2008 MAD 3-Year Moving Average MAD 4-Year Moving Average *Hint Absolute just means all the numbers are positive, even if they are calculated to be a negative number

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