In: Statistics and Probability
Consider the following time series data.
Week | 1 | 2 | 3 | 4 | 5 | 6 |
---|---|---|---|---|---|---|
Value | 18 | 12 | 16 | 10 | 17 | 15 |
Develop the three-week moving average forecasts for this time series. (Round your answers to two decimal places.)
Week | Time Series Value |
Forecast |
---|---|---|
1 | 18 | |
2 | 12 | |
3 | 16 | |
4 | 10 | |
5 | 17 | |
6 | 15 |
Compute MSE. (Round your answer to two decimal places.)
MSE =
What is the forecast for week 7?
Use α = 0.2 to compute the exponential smoothing forecasts for the time series.
Week | Time Series Value |
Forecast |
---|---|---|
1 | 18 | |
2 | 12 | |
3 | 16 | |
4 | 10 | |
5 | 17 | |
6 | 15 |
Compute MSE. (Round your answer to two decimal places.)
MSE =
What is the forecast for week 7? (Round your answer to two decimal places.)
Use a smoothing constant of α = 0.4 to compute the exponential smoothing forecasts.
Week | Time Series Value |
Forecast |
---|---|---|
1 | 18 | |
2 | 12 | |
3 | 16 | |
4 | 10 | |
5 | 17 | |
6 | 15 |