1MA0 Higher June 2014 Paper 1 Q2
2 Here are the times, in minutes, that 20 children took to walk to school.
| 13 | 21 | 19 | 27 | 31 | 5 | 23 | 29 | 18 | 25 |
| 34 | 15 | 28 | 23 | 22 | 40 | 16 | 19 | 32 | 9 |
Draw an ordered stem and leaf diagram for these times. (3)

| Answer | Mark | Notes |
|---|---|---|
| 0 | 5 9 1 | 3 5 6 8 9 9 2 | 1 2 3 3 5 7 8 9 3 | 1 2 4 4 | 0 | 3 | B2 for fully correct diagram. Accept a stem of 10, 20, etc. (B1 for ordered with at most 2 errors or omissions or for correct unordered diagram) B1 for a correct key (units may be omitted) consistent with diagram. |