# Summary Statistics

**Summary statistics** include everything from simple counts
for categorical variables to measures of dispersion, such as the standard
error of the mean for scale variables. It does *not* include
significance tests available on the Test Statistics tab in the Custom
Tables dialog box. See the topic Test Statistics for
more information.

Summary statistics for categorical variables and multiple response sets include counts and a wide variety of percentage calculations, including:

- Row percentages
- Column percentages
- Subtable percentages
- Table percentages
- Valid N percentages

In addition to the summary statistics available for categorical variables, summary statistics for scale variables and custom total summaries for categorical variables include:

- Mean
- Median
- Percentiles
- Sum
- Standard deviation
- Range
- Minimum and maximum values

Additional summary statistics are available for multiple response sets. A complete list of summary statistics is also available. See the topic Summary Statistics for more information.

Sample Data File

The examples in this section use the data file *survey_sample.sav*.
See the topic Sample Files for
more information.

All examples provided here display variable labels in dialog boxes, sorted in alphabetical order. Variable list display properties are set on the General tab in the Options dialog box (Edit menu, Options).