1. (30 points) Consider the following time series data: Week 1 2 2 3 4 5 6 Value 24 13 20 12 19 23 (1) (15 points) Compare three week moving average forecast with exponential smooth- ing forecast using (a = 0.2). Which appears to provide better forecast based on MSE? Explain (2) (15 points) Compare exponential smoothing forecast using a 0.2) with expo- nential smoothing forecast using (a=0.3) and (a = 0.4). Which provides a better forecast