mackenziepoynter7 mackenziepoynter7 10-03-2021 Mathematics contestada The ages of attendees at a birthday party are shown below. Which of the following is closest to the mean age of the attendees? 11, 12, 12, 12, 12, 14, 15, 17, 18(1) 12.9 (2) 13.2 (3) 13.7 (4) 14.1