2.10 Consider the time series data in Table 4 a. Construct a time series plot. What type of pattern exists in the data? Table 4: Problem 2.10 Month 1 2 3 4 5 6 7 Value 24 13 20 12 19 23 15 b. Develop a three-week moving average for this time series. Compute MSE and a forecast for week 8. c. Use a = 0.2 to compute the exponential smoothing value for the time series. Compute MSE and a forecast for week 8