Stage 9 - Q3 - 4 marks
20209
Find both ranges. Which group has more consistent times when consistency is judged by range?
Group A
Stem
Group B
4
4
6
6
9
5
7
5
1
3
5
6
8
9
0
2
4
6
7
9
9
6
1
4
3
5
7
\(\text{A key: }4\mid 4=44\text{ s}\)
\(\text{B key: }4\mid 5=45\text{ s}\)
Hint
Read the smallest left-side leaf nearest its stem, not the farthest leaf.