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Question
Using three yearly moving averages, Determine the trend values from the following data.
| Year | Profit | Year | Profit |
| 2001 | 142 | 2007 | 241 |
| 2002 | 148 | 2008 | 263 |
| 2003 | 154 | 2009 | 280 |
| 2004 | 146 | 2010 | 302 |
| 2005 | 157 | 2011 | 326 |
| 2006 | 202 | 2012 | 353 |
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Solution
| Year | Profit | 3-Yearly moving total | 3-Yearly moving average |
| 2001 | 142 | - | - |
| 2002 | 148 | 444 | 148 |
| 2003 | 154 | 448 | 149.33 |
| 2004 | 146 | 457 | 152.33 |
| 2005 | 157 | 505 | 168.33 |
| 2006 | 202 | 600 | 200 |
| 2007 | 241 | 706 | 235.33 |
| 2008 | 263 | 784 | 261.33 |
| 2009 | 280 | 845 | 281.67 |
| 2010 | 302 | 908 | 302.67 |
| 2011 | 326 | 981 | 327 |
| 2012 | 353 | - | - |
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