Stage 9 - Q5 - 4 marks
20211
Now these are timing estimates: the target is exactly 56 s. Which group median is closer to the target? Explain why “smaller is better” is inappropriate here.
Group A
Stem
Group B
4
5
7
7
6
8
5
0
2
4
6
7
9
1
3
5
7
8
6
0
2
5
0
0
4
6
8
\(\text{A key: }5\mid 4=45\text{ s}\)
\(\text{B key: }4\mid 6=46\text{ s}\)
Hint
Accuracy is closeness to the target on either side.