Discover how standard deviation calculates investment risk and market volatility, helping investors make informed decisions.

An asset's standard deviation tells you how much its returns vary from its average. You can quickly calculate or look up the standard deviation of different assets. A high standard deviation can ...

Discover the differences between standard deviation and variance, two essential metrics for investors to assess volatility ...

When you have the average production of three machines, it is easy to calculate the average or mean production. You just add up the three means and divide by three. But what if I want the average ...