Using the Salesdata build Moving Average with 2 and 3 period
Using the Sales-data, build:
Moving Average with 2 and 3 periods
Exponential Smoothing with an alpha, of .1 , .5 and .9
 Using the Crates-data, build:
A multiple regression with trend and seasonal; forecast the next 12 months.
Moving Average with 3 periods and Exponential smoothing with .1; identify which model is best
| Year | Quarter | Sales | 
| 1 | 1 | 144 | 
| 2 | 151 | |
| 3 | 134 | |
| 4 | 151 | |
| 2 | 1 | 145 | 
| 2 | 145 | |
| 3 | 141 | |
| 4 | 166 | |
| 3 | 1 | 151 | 
| 2 | 164 | |
| 3 | 151 | |
| 4 | 176 | |
| 4 | 1 | 170 | 
| 2 | 180 | |
| 3 | 156 | |
| 4 | 187 | |
| 5 | 1 | 166 | 
| 2 | 182 | |
| 3 | 154 | |
| 4 | 169 | 
Solution

