Social & Preventive Medicine General 77247150 9 families surveyed have 1, 2,2, 2,3,4, 4, 6, 7 children respectively. The mean, median, mode respectively are - A 3.4., 2, 3 B 3,2,3 C 3,3,3 D 3.4,3,2 High-Yield Explanation No explanation provided.