Question: 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
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 =
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 |
|
|
|
|
| 2006 | 2892 |
|
|
|
|
| 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.
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
