What of the following three data sets has the largest mean absolute deviation, hence the values are more spread out from the mean? Data set 1: 5, 5, 5, 8, 8, 8, 11, 11, 11 Data set 2: 5, 5, 8, 8, 8, 8, 8, 11, 11 Data set 3: 5, 8, 8, 8, 8, 8, 8, 8, 11 Data set 3 Data set 2 Data set 1