Question

During Fitness Day at school, Isaac and his classmates took part in a pull-up competition, keeping track of the results.

Pull-up competition (number of pull-ups)
Stem Leaf
0 1 5
1 5 7
2 3 9
3
4 2 6
5 6
6
7
8 2
How many people did fewer than 70 pull-ups?
___ people

Answer 1

9

(Count the leaves for stems 0–6: 0:1,5; 1:15,17; 2:23,29; 4:42,46; 5:56 → 9 people.)