[6] The temperature in Chicago has been recorded for the past seven days. You are given the information below. [16%, 4% EACH] Day 1 2 3 4 5 6 7 Temperature 82 80 84 83 80 79 82 a. Produce exponential smoothing forecasts for the series using a smoothing constant of 0.2. b. Compute the mean square error for the forecasts produced with a smoothing constant of 0.2. C. What is the forecasted temperature for day 8? d. Is a smoothing constant of 0.2 or 0.3 better for the temperature data? Explain.