January 2010 OCR MEI
As this is going to be a sorted diagram, put the numbers into ascending order first.
52 63 64 67 68 71 72 72 73 74 75 75 77 79 81
Usually you have to work out the stem for yourself, but as the question states it, all you have to do is fill in the blanks.
Make sure you put the 'mph' in (or whatever units you might be given) or you'll lose a mark.
This is a really easy way of getting 4 marks in the exam.