Click on a column name in the list box to calculate its statistics.
To calculate statistics for sets of rows of the table, enter the row range in the "Row range" entry field or select rows in table window and check the "use selected rows" checkbox.
Example row range values: 1-10 first 10 rows of the table 2,4,6,8,10 list of individual rows 4-8,20-30,40-60 list of ranges