Consider the following time series data.  Month 1 2 3 4 5 6 7 8 9 value 23 12 20 22 15 23 24 17 22 a. Develop the three-week moving average forecasts for this time series. Compute MSE and a forecast for week 10. b. Use α = .2 to compute the exponential smoothing forecasts for the time series. Compute MSE and a forecast for week 10. c. Compare the three-week moving average approach with the exponential smoothing approach using α = .2. Which appears to provide more accurate forecasts based on MSE

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