Stage 9 - Q1 - 3 marks
20197
Use both keys to read the smallest time in A, the largest time in B, and the number of observations in A.
Group A
Stem
Group B
3
7
9
9
8
4
2
4
6
8
9
0
3
5
7
9
5
1
2
4
7
0
2
2
6
8
6
0
\(\text{A key: }7\mid 3=37\text{ s}\)
\(\text{B key: }3\mid 8=38\text{ s}\)
Hint
A repeated leaf still represents another observation.