Describing Relationships

Is there a relationship between smoking and lung cancer? Do people who care for dogs live longer? Is your university's admissions department sexist?

Tackling these exciting questions is only possible when we take a step beyond simply describing univariate datasets—one step beyond!

We will be covering the following topics in this chapter:

• Multivariate data
• Relationships between a categorical and continuous variable
• Relationships between two categorical variables
• Visualization methods