In: Statistics and Probability
Advanced Quantitative Business Analysis.
Question: Which method of forecasting would you recommend between 4 MA & 2 WMA? Why?
| 
 Period  | 
 Sales  | 
 4 MA  | 
 Error  | 
 |Error|  | 
 Error^2  | 
 (|Err.|/A)*100  | 
| 
 1  | 
 110  | 
|||||
| 
 2  | 
 115  | 
|||||
| 
 3  | 
 125  | 
|||||
| 
 4  | 
 120  | 
|||||
| 
 5  | 
 125  | 
|||||
| 
 6  | 
 120  | 
|||||
| 
 7  | 
 130  | 
|||||
| 
 8  | 
 115  | 
|||||
| 
 9  | 
 110  | 
|||||
| 
 10  | 
 130  | 
| 
 Weights  | 
| 
 0.65  | 
| 
 0.35  | 
| 
 2 WMA  |