1MA0 Higher March 2013 Paper 2 Q1
1 Here are the ages, in years, of 15 students.
| 19 | 18 | 20 | 25 | 37 |
| 33 | 21 | 17 | 29 | 20 |
| 42 | 18 | 23 | 37 | 22 |
Show this information in an ordered stem and leaf diagram. (3)

| Answer | Mark | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 3 | B2 for a fully correct ordered diagram (B1 for correct unordered diagram or ordered with at most two errors or omissions) B1 for a correct key Accept stem written as 10, 20 etc but key only acceptable if consistent with this |