Question: Data collected on the yearly registrations for a seminar at the Quality College are shown in the following data: Year 2001 2002 2003 2004 2005

Data collected on the yearly registrations for a

Data collected on the yearly registrations for a seminar at the Quality College are shown in the following data: Year 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Registrations (000) 4 6 4 5 10 8 7 9 12 14 1. Forecast registrations from year 2001 to year 2011 using trend projection method. 2. Forecast registrations from year 2005 to year 2011 using 4 year moving average. 3. Show the actual registrations and above two forecast registrations in a graph. 4. Which forecast is better according to Mean Absolute Deviation

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