points) Consider the following time series data: (1) (15 points) Compare three week moving average forecast with exponential smooth- ing forecast using ( = 0.2). Which appears to provide better forecast based on MSE? Explain. (2) (15 points) Compare exponential smoothing forecast using ( = 0.2) with expo- nential smoothing forecast using ( = 0.3). Which provides a better forecast using MSE? Explain. (For this p