Here is a list of 10 numbers.
2 3 4 4 4 5 6 6 7 k k\,k
where k>7k > 7k>7.
Work out the range in terms of kkk.
Find the mode.
Calculate the mean in terms of kkk.
201 exam-style questions on OCR GCSE Maths Averages. Each one has a worked solution and a mark scheme showing where the marks go.