# Computing the Standard Deviation in SPSS

The standard deviation is a measure of variability. In SPSS, you compute it by choosing Analyze/Descriptive Statistics/Descriptives...You then specify the variables you want for which you want to compute the standard deviation: Here is the result. Note that "Std. Deviation" is used to stand for "standard deviation.": Notice that, by default, you get N, the minimum, the maximum, and the mean in addition to the standard deviation. You could have chosen more or fewer statistics by clicking the "option" button.

The syntax for computing the standard deviation is:

DESCRIPTIVES VARIABLES=Y1 Y2 Y3

/STATISTICS=MEAN STDDEV MIN MAX.

**Learn More About the Standard Deviation**

Overview of the standard deviation

Standard deviation as a measure of risk