Question: 15 students do a mathematics test. Their marks are shown opposite. a Find the value of the median. 7 4 9 10 5 29 12

15 students do a mathematics test. Their marks are shown opposite. a Find the value of the median. 7 4 9 10 5 29 12 11 8 737 683

b. Find Q and Q c Work out the interquartile range.

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