When evaluating statistics, it’s essential to understand the difference between “average” — also referred to as the “mean” — and “median.” The average (mean) is calculated by ...

First, calculate the difference between the two prices for each ... contrarians willing to wait for a reversion to the mean. The math behind average percentage differences isn't complicated ...

The calculator works out the mean percentage difference between the mean average salary of a firm's female and male staff – one of two key metrics used to identify any gender pay gap.