In this chapter, you will learn how to:

5.1 Recognize the historical significance of data visualization.

5.2 Identify appropriate graph types based on the levels of measurement of variables being analyzed.

5.3 Employ suitable graphical techniques to visualize relationships between categorical variables.

5.4 Select and interpret graphs of the relationship between interval-level variables.

5.5 Describe positive and negative as well as linear and nonlinear relationships between variables.

5.6 Recognize and address some challenges associated with visualizing data.