Chapter 14
Showing Relationships between Categorical Dependent and Independent Variables
In This Chapter
Testing hypotheses
Running inferential tests
Running the crosstabs procedure
Running the chi-square test
Comparing column proportions
Adding control variables
Descriptive statistics (introduced in Chapter 13) describe the data in a sample through a number of summary procedures and statistics. For example, maybe you collected customer satisfaction data on a subset of your customers and you can determine that the average satisfaction for your customers is 3.5 on a 5-point scale. You may want to take this information a step further, though. For example, you may want to determine if there is a difference in satisfaction between customers who bought Product A (3.6) and customers who bought Product B (3.3). The numbers aren’t exactly the same, but are they really different or are the differences ...
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