The four-period moving average values for periods 3 to 6 are: 30.25 , 32.00 , 33.25 , 35.25 What are the central moving average values for periods 3 to 6? Group of answer choices 31.13 , 32.63 , 34.25 , 36.13 31.00 , 32.38 , 34.25 , 36.13 30.25 , 31.75 , 33.00 , 35.50 31.63 , 33.13 , 34.75 , 36.25