Here is a list of 5 numbers.
3,7,8,12,15 3, 7, 8, 12, 15 3,7,8,12,15Work out the range.
Write down the median.
Calculate the mean.
Practise WJEC GCSE Maths Averages with exam-style questions for Foundation and Higher tier. 48 questions, matched to the WJEC GCSE Maths (3320QD) specification and written in Unit 1, Unit 2 and Unit 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.