What is the mode of the teachers' ages? Stem-and-leaf plot labeled Teacher Ages. Stem entries, 2, 3, 4, 5, 6. Leaf entries for 2 = 4, 6, 8, 8. Entries for 3 = 3, 6, 6. Entries for 4 = 0, 0, 7, 7, 8. Entries for 5 = 2, 3, 5, 5, 5, 6, 7, 8. Entries for 6 = 3, 4, 4. Key stem = 3; leaf = 4 with arrow pointing right to 24. CLEAR CHECK 28 28 years old 48 48 years old 55 55 years old 64 64 years old