Below is an example of calculating the standard deviation of the stock returns of Apple (Nasdaq: AAPL) over a three-month period. Step 1: Collect daily data going back over a three-month period.

For example, over the last 10 years, the S&P 500's average annual return was 11.21%, and it had an annual standard deviation of about 15.25%, according to Morningstar.

For example, standard deviation is employed to measure the volatility of investment returns. This can used to determine risk-return tradeoffs and the strategy of how a company wants to deploy capital.

Example of Using Standard Deviation Suppose a mutual fund achieves the following annual rates of return over the course of five years: 4%, 6%, 8.5%, 2%, and 4%. The mean value, or average, is 4.9%.

Last year Johnson had a 7.7 standard deviation with a 12.3 PPG, for a value of 1.60. Most of his value (fantasy value, that is) comes from his seasons of two and three years ago.

Standard deviation is the dispersion between two or more data sets. For example, if you were designing a new business logo and you presented four options to 110 customers, the standard deviation ...

For example, if Mutual Fund A has an average annual return of 10% and a standard deviation of 4%, you would expect about 68% of the time for the return to be between 6% and 14% ...

The standard deviation is a formal measure of the tendency of the numbers in your list to vary – or deviate – from the mean. You can think of it as a measure of how "spread out" your numbers are.

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 ...

By default, the XRCHART statement estimates the process mean and standard deviation ()from the data, as in the previous example.However, there are applications in which standard values (and ) are ...