Suppose we have a sequence of time series data as following in the table. We want to use centered moving average model of order 4, {IMAM}, to make predictions. Please fill in the blanks. Please round your results to 3 decimal places. (Hint: if you nd it difcult to manually calculate, you can use mat} function in R}. Time Values (IMAM) Period 1 85 2 53 3 83 69.3?5 4 61 68.8?5 5 76 61.500 6 58 7 19 41.8?5 8 29 34.750 9 4? 10 30