IBM SPSS Exact Tests

More Statistics for Data Analysis

Expand the capabilities of IBM SPSS Statistics Base for the data analysis stage in the analytical process. Using IBM SPSS Exact Tests with IBM SPSS Statistics Base gives you an even wider range of statistics, so you can get the most accurate response when:

• Working with a small number of cases
• Working with variables that have a high percentage of response in one category
• Dividing your data into fine breakdowns
• Searching for rare occurrences in large datasets (such as sales above $1 million)

IBM SPSS Exact Tests easily plugs into other IBM SPSS Statistics modules so you can seamlessly work in the IBM SPSS Statistics environment.

Get greater value from your data: with IBM SPSS Exact Tests, you can slice and dice your data into breakdowns, which can be as fine as you want, so you learn more by extending your analysis to subgroups. You aren't limited by required expected counts of five or more per cell for correct results. And you can even rely on IBM SPSS Exact Tests when you're searching for rare occurrences within large datasets.

Keep your original categories: don't lose valuable information by collapsing categories to meet the assumptions of traditional tests. With IBM SPSS Exact Tests, you can keep your original design or natural categories—for example, regions, income, or age groups—and analyze what you intended to analyze.

IBM SPSS Exact Tests has the tests and statistics you need get the more insight from your small samples and rare occurrences within large databases. These procedures include:

• Pearson Chi-squared test
• Linear-by-linear association test
• Contingency coefficient
• Uncertainty coefficient—symmetric or asymmetric
• Wilcoxon signed-rank test
• Cochran's Q test
• Binomial test
• And many more