Here is a list of 10 numbers.
k k\,k 4 4 5 6 8 11 11 11 14
where k<4k<4k<4.
Work out the range in terms of kkk.
Find the mode.
201 exam-style questions on OCR GCSE Maths Averages. Each one has a worked solution and a mark scheme showing where the marks go.