Question 36 (5 points) For the following time series, you are given the moving average forecast. Time Period Time Series Value Moving Average Forecast 1 23 2 17 -- 3 17 -- 4 26 19 5 11 20 6 23 18 20 17 7 17 20 8 The mean squared error equals 4 26 19 5 11 20 6 23 18 7 17 20 8 20 17 The mean squared error equals a) 34.6 b) 1 c) 41 d) 16