Investors often use standard deviation to quantify asset volatility. You can calculate standard deviation of an asset in a spreadsheet with a series of daily closing values. Standard deviation ...

This provides an estimate of the population standard deviation, σ. The formula for calculating the sample standard deviation, s, is: In the formula, xi represents each data point, the other x ...

But first, here's a look at the formula for calculating annualized volatility. Annualized volatility = standard deviation (volatility) multiplied by the square root of the periods in the year.

Then he tried calculating the average standard deviation by doing the same thing. He added the three standard deviations and divided them by three to get an average of 5.1. Then he did the ...

How to calculate standard deviation using the defining formula is explained. Discuss with students the need to go beyond averages to give a picture of what a sample is like. Consider real life ...