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 ...

Microsoft Excel 2010 is designed to store numerical inputs and permit calculation on those numbers, making it an ideal program if you need to perform any numerical analysis such as computing the mean, ...

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 ...

The interquartile mean is a measure of central tendency. While all values in a data set are used to calculate the mean, only the interquartile range -- the central portion of a data set -- is used to ...