Question

Continue filling in the valleys for the leaves of the remaining data items in the set.

54, 60, 70, 70, 75, 78, 79, 81, 86, 86, 86, 89, 91, 91, 91, 91, 91, 96

Answer 1

6 6 9

1 1 1 1 1 6

Explanation:

If 5 | 4 is 54, then 86 is 8 | 6, 89 is 8 | 9 and so on.