Here are the weights, in kg, of 8 suitcases.
1218152115142011 12 \quad 18 \quad 15 \quad 21 \quad 15 \quad 14 \quad 20 \quad 11 1218152115142011Work out the range.
Find the mode.
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.