Steps to calculate standard deviation. If you break down the equation step-by-step, ... Still, this is a limited data set, so it's important to not draw too many conclusions.

For example, if the range of data is in cells A2 through A13, type "=STDEV(A2:A13)" to calculate standard deviation. Advertisement Article continues below this ad ...

The Standard Deviation is a term used in statistics. The term describes how much the numbers if a set of data vary from the mean. The syntax to calculate the Standard Deviation is as follows: ...

How to Interpret Standard Deviation. In the example above for Apple, the data show that the average return for the three-month period was 0.08 percent.

Pooled standard deviation is a useful tool when analyzing data sets. It is especially helpful when you’ve taken the time to ...

Standard deviation measures how far numbers in a data set are spread out from an average value. In investing, it is used as a measurement of portfolio volatility.

Calculating Standard Deviation . Standard deviation is calculated by first subtracting the mean from each value, and then squaring, adding, and averaging the differences to produce the variance ...

Calculating an investment's standard deviation can help you determine how much its price may rise or fall in the future. Find the formula here. An icon in the shape of a person's ...

Using data in Column C, calculate the daily percentage change in the index. Starting with cell D4, ... Find the daily standard deviation. Now, you will use the STDEV.S function in Excel.