alfonsocrespin81 alfonsocrespin81 08-12-2020 Mathematics contestada A = {3, 5, 7, 9, 11, 12, 12} B = {1, 2, 2, 5, 5, 9, 13} C = {2, 5, 8, 9, 12, 13, 17} Find the mean of each data set.