The median is the middle number in a sorted ascending or descending list. It can be more descriptive of the dataset than the ...
Averages are used all the time in finance, usually to justify performance (above average'). However, as an investor, youshould realise there are several ways to calculate an average.The three most ...
The mean is the most commonly used measure of average. To find the mean of a list of numbers, add them all together and divide by how many numbers there are: \(\text{mean} = \frac{\text{sum of all the ...
When analysing data, averages and the range work together to give a complete picture. Choosing the right average depends on the nature of the data. The modal eye colour from the data set is 'blue'. It ...
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