Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

The mean is the most commonly used measure of average close. To calculate the mean, add the values together and divide the total by the number of values. If you place a set of numbers in order, the ...

JEFF: Putter's under pressure, Janine. He needs to turn this around quick. JANINE: He sure does, Jeff. Let's look at how the other player scored on this hole. JEFF: Let’s start with the ‘mean’ score.

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 ...