Question

Leah kept track of the number of characters in each book she read.
Characters per book
Steam Leaf
1 0 2 5
2 1 9 9
3 4 4 5
4 3 9 9
5 0 1
How many books had at least 10 characters but fewer than 20 characters?

Answer 1

This is a stem-and-leaf plot. The stem "1" with leaves "0 2 5" represents 10, 12, and 15 — the numbers from 10–19. There are 3 leaves, so 3 books.