The following stem and leaf diagram shows some information about the marks gained by a group of students in a statistics test. stem leaf 0 89 Key: 23 means 23 marks (2) 1 25 59 2 36 6 6 7 3 4 4 5 7 7 7779 4 5889 (9) (4) a Work out how many students there were in the group. b Write down the highest mark.

c Write down the lowest mark. d Write down how many students got 26 marks. e Write down the modal mark. f Find the median mark. g Find the lower quartile. h Find the upper quartile.AppendixLO1