Discuss the below in detail:
Q1. Assume the time series is an annual time series. Using a two-point moving average, what is the forecast for time period 9?
| Years | Series | 
| 1 | 150 | 
| 2 | 165 | 
| 3 | 176 | 
| 4 | 178 | 
| 5 | 196 | 
| 6 | 202 | 
| 7 | 206 | 
| 8 | 220 | 
| 
 | 
 | 
Q2. Assume the time series is a monthly time series. Using exponential smoothing with a parameter of 0.8, what is the forecast for time period 9?
| Months | Series | 
| 1 | 150 | 
| 2 | 165 | 
| 3 | 176 | 
| 4 | 178 | 
| 5 | 196 | 
| 6 | 202 | 
| 7 | 206 | 
| 8 | 220 | 
| 
 | 
 | 
Q3. Assume the time series is a weekly time series. Using simple linear regression, what is the forecast for time period 9?
| Weeks | Series | 
| 1 | 150 | 
| 2 | 165 | 
| 3 | 176 | 
| 4 | 178 | 
| 5 | 196 | 
| 6 | 202 | 
| 7 | 206 | 
| 8 | 220 | 
| 
 | 
 | 
Q4. Assume the time series is a quarterly time series. Using the seasonal index approach, what is the forecast for time period 9?
| Quarters | Series | 
| 1 | 150 | 
| 2 | 165 | 
| 3 | 176 | 
| 4 | 178 | 
| 5 | 196 | 
| 6 | 202 | 
| 7 | 206 | 
| 8 | 220 | 
| 
 | 
 | 
Q5. Assume the time series is an annual time series. For a constant forecast of 208 for all the years, what is the tracking signal with a window of three (Tk3) for the forecast of 208 for time period 9?
| Years | Series | 
| 1 | 150 | 
| 2 | 165 | 
| 3 | 176 | 
| 4 | 178 | 
| 5 | 196 | 
| 6 | 202 | 
| 7 | 206 | 
| 8 | 220 |