(a)[2]
Complete the stem-and-leaf diagram to show this information. Key: 1 | 7 means 17 months.
(b)[1]
Find how many children are more than 2 years old.
(c)[1]
Show that the median is 12.5.
Mathematics 0580 · IGCSE · Interpreting statistical data
Interpreting statistical data — practice question
The ages of the 12 children, measured in months, are 11, 27, 8, 10, 26, 17, 28, 12, 9, 13, 22 and 12.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Completed stem-and-leaf diagram: $0 \mid 8\ 9$ ; $1 \mid 0\ 1\ 2\ 2\ 3\ 7$ ; $2 \mid 2\ 6\ 7\ 8$” …
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