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266 Summarizing Data Chapter 8
Summarizing Columns
Adding a Statistics Column to an Existing Summary Table
After you have created a summary table, you can add columns of descriptive summary statistics for any
numeric column in the source table, as shown in Figure 8.5.
Figure 8.5 Example of a Summary Table with a Summary Statistics Column
Summary statistics
column
To add a statistics column to a previously created the summary table (as explained in “Creating a
Summary Table,” p. 264), click the red triangle icon in the upper left corner of the data grid, as shown
in Figure 8.6, and select Add Statistics Column. This displays the Summary window.
Figure 8.6 Creating a Summary Statistics Column from Within a Data Table
Explanation of Statistics
You can add columns of descriptive summary statistics for any numeric column in the source table by
clicking the Statistics button (Figure 8.7) and selecting one of the standard univariate descriptive
statistics from the Statistics drop-down menu described below.