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 ...

Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a ...

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, ...