Using the data below, what is the simple exponential smoothing forecast for the 4th week where a=0.4? Week Time Series Value 6.00 4.00 3.00 Submit Answer format: Number: Round to: 1 decimal places. Using the data below, what is the value of MSE? Month Actuals Forecast 4.00 8.00 4.00 5.00 Submit Answer format: Number: Round to: 2 decimal places