Excel's AVERAGEIF and AVERAGEIF functions let you find the average of a set of data. However, where they differ from the more ...

Learn the difference between the standard error of the mean and the standard deviation and how each is used in statistics and finance.

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: No need to get nasty, Jeff. JEFF: No no, the ‘mean’ is the average score. We take all the scores then divide it with the number of people. So the average is 25 shots. JANINE ...