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.

JANINE: He sure does ... To find the mode, order the numbers lowest to highest and see which number appears the most often. Eg 3, 3, 6, 13, 100 = 3 The mode is 3. The mean is the total of the ...