Surgical Intensive Care Unit would like to be better prepared by predicting number of surgical patients they must expect. Past 15 days illustrates following numbers of surgeries performed. Perform the 3-period moving average, exponential smoothing forecasting using the alpha of .25, and seasonal forecast with 3 seasons.

Day Surgeries
1 10
2 8
3 12
4 10
5 9
6 14
7 11
8 10
9 15
10 13
11 13
12 16
13 14
14 13
15 18

Forecast for day 16 by using 3-period Moving Average?
Forecast for day 16 by using Exponential Smoothing (alpha = .25)?
Forecast for day 16 by using Seasonality with 3 seasons?