Here are the scores of seven students in a spelling test.
12 8 15 6 12 10 7
Find the range.
Calculate the mean.
Sarah says, "The median is the middle number, so the median is 6."
Sarah is incorrect, explain why.
Practise AQA GCSE Maths Averages with exam-style questions for Foundation and Higher tier. 48 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.