Summarizing Data: Relationships Between Variables

By the end of this module, you should be able to:

• Apply a variety of tools from the module Summarizing Data: One Variable to describe how a quantitative variable differs across values of a categorical variable,
• Describe how the distribution of a categorical variable depends on the values of one or more other categorical variables,
• Use numerical and graphical summaries to describe the strength and direction of the relationship between two quantitative variables,
• Use appropriate statistical language to describe the relationship between variables.

Topics covered in this module

Learning resources:

1. Data Used in this Module
2. Relationships Between Quantitative and Categorical Variables ‎(video)
3. Examining Relationships Between Two Categorical Variables (video)
4. Relationships Between Two Quantitative Variables (video)
5. Optional: Guide to carrying out the analysis in this module using R (pdf)