Here is a list of the weights, in kg, of 10 parcels.
4 7 7 9 11 14 18 18 18 20
Work out the range.
Find the mode.
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.