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264 Summarizing Data Chapter 8
Summarizing Columns
Creating a Summary Table
To create a summary table
1 Open a data table.
2 Select Tables > Summary. The window in Figure 8.2 appears.
Figure 8.2 The Summary Window
3 Add summary statistics, groups, subgroups, and select any options needed:
– “Adding summary statistics,” p. 264
– “Using one or more grouping columns,” p. 265
– “Using quantile statistics,” p. 265
– “Changing the format of the statistics column name,” p. 265
– “To create a two-way table of summary statistics by adding a subgroup variable,” p. 265
4 Name the subset table by typing a name in the box beside Output table name.
5 Click OK.
Adding summary statistics
You can add columns that display summary statistics (such as mean, standard deviation, median, and so
on) for any numeric column in the source table.
1 In the Summary window, highlight the column you want to use in calculating the statistics.
2 Click the Statistics button.
3 Select one of the standard univariate descriptive statistics from the Statistics drop-down menu. The
statistics are described in “Explanation of Statistics,” p. 266. The example in Figure 8.7 shows how
to generate the mean of Profits/Emp for each level of the grouping variable.