Eg 3, 3, 6, 13, 100 = 3 The mode is 3. The mean is the total of the numbers divided by how many numbers there are. To find the mean, add all the numbers together then divide by the number of numbers.

The main averages, which can also be referred to as measures of central tendency, are the mean, mode and median. Robert is preparing for his Mathematics GCSE exams. Each paper is marked out of 100.