1MA0 Higher June 2012 Paper 1 Q4
4 Here are the speeds, in miles per hour, of 16 cars.
| 31 | 52 | 43 | 49 | 36 | 35 | 33 | 29 |
| 54 | 43 | 44 | 46 | 42 | 39 | 55 | 48 |
Draw an ordered stem and leaf diagram for these speeds. (3)
| Working | Answer | Mark | Notes | ||||||||||||||||||||||||
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| 3 | B3 for fully correct diagram with appropriate key (B2 for ordered leaves, with at most two errors or omissions and a key OR correct unordered leaves and a key OR correct ordered leaves) (B1 for unordered or ordered leaves, with at most two errors or omissions OR key) NB : Order of stem may be reversed; condone commas between leaves |