13.48 Facebook likes and correlation: Be careful what you “like.” Researchers examined the relations between the number of Facebook “likes” a person has posted and the researchers’ ability to correctly identify various characteristics of the person, including gender, age, sexual orientation, ethnicity, religion, political beliefs, personality traits, and intelligence (Kosinski et al., 2013). The accompanying graph shows the relations between number of likes and accuracy of identifying gender, age, and the personality characteristic of openness, respectively.

a. In your own words, what story is this graph telling?

b. Based on what you learned in Chapter 3 about graphs, explain why the x-axis is misleading, and describe how you would redesign the graph.