Consider the following time series data Week 1 2 0 Value 18 1114 (a) Construct a time series plot 20- O Time Series Value Time Series Value 99201 4 3 6 10 16 13 2 3 4 Week 6 6 7 20 W/W 1 2 3 Week 30 1 2 3 4 3 Week (b) Develop the three-week moving average for this time series. (Round your answers to two decimal places.) Time Series Value Week 1 2 3 4 5 6 18 14 10 16 13 Forecast Compute MSE. (Round your answer to two decimal places.) MSE= What is the forecast for week 7? (c) Use a = 0.2 to compute the exponential smoothing values for the time series. Time Series Value Week 1 2 4 5 6 18 11 14 10 16 13 Forecast Compute MSE. (Round your answer to two decimal places.) MSE = What is the forecast for week 7? (Round your answer to two decimal places.) (e) Use a = 0.4 to compute the exponential smoothing values for the time series. Time Series Value Week 1 2 3 ST 5 6 18 11 14 10 16 13 Forecast