(1)5, 6, 9, 10, 6, 12, 3, 6, 11, 10, 4, 6, 7. find the mode
20, 3, 7, 13, 3, 4, 6, 7, 19, 15, 7, 18, 3 Find the mode
2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6. find the mode