Two forecasting models were used to predict the future values of a time series. These are shown here together with the actual values. Compute MAD and SSE for each model to determine which was more...

Two forecasting models were used to predict the future values of a time series. These are shown here together with the actual values. Compute MAD and SSE for each model to determine which was more accurate.

Period 1 2 3 4

Forecast (Model 1) 7.5 6.3 5.4 8.2

Forecast (Model 2) 6.3 6.7 7.1 7.5

Actual 6.0 6.6 7.3 9.4