Standard deviation can best be illustrated via the normal distribution pattern for probability, which gives a statistical view of where standard deviation might be.

When you have the average production of three machines, it is easy to calculate the average or mean production. You just add ...

Standard deviation is a measurement of market volatility. Learn how investors use standard deviation in the MoneySense Glossary.

In some applications, a standard value may be available for the process standard deviation .This example shows how you can specify to compute the control limits. Suppose that the amount of power ...

Note that the control limits vary with the subgroup sample size. The sample size legend in the lower left corner displays the minimum and maximum subgroup sample sizes. By default, the control limits ...

Downside deviation is a measure of downside risk that focuses on returns that fall below a minimum threshold or minimum acceptable return (MAR).

Determination There are several practical ways to calculate the mean and standard deviation. Scientific calculators typically come with a built-in program for both the mean and standard deviation.

Hence, the graphical representation of normal distribution through its mean and standard deviation enables the representation of both returns and risk within a clearly defined range.

If you are looking forward towards calculating the Standard Deviation and Standard Error of the Mean in Excel, please check this article.

Standard Deviation: In Defense of an Often-Dismissed Investing Metric Debunking three arguments against this valuable risk-assessment tool.