Use to compute the exponential smoothing forecasts for the time series (to 2 decimals).

Month	Time-Series Value	Forecast
1	100
2	140
3	125
4	100
5	90
6	120
7	145
8	140
9	105
10	85
11	100
12	105
13

Use a smoothing constant of to compute the exponential smoothing forecasts (to 2 decimals).

Month	Time-Series Value	Forecast
1	100
2	140
3	125
4	100
5	90
6	120
7	145
8	140
9	105
10	85
11	100
12	105
13

Compute MSE (to 2 decimals).

MSE ():
MSE ():