Common Visualizations

This chapter is all about common visualizations, which are important tools for every data analyst. As we discussed in the previous chapter, data analysts need to be able to communicate results to other people. They say a picture is worth a thousand words and it is true that data visualization is often a more effective form of communication than just reading out the numbers of your results. Almost every report you create will have at least one visualization, often more. There are all kinds of ways to depict your data, but in this chapter, we will cover the most common types, which will also be the types you need to know for the exam.

Here, we will discuss infographics and word clouds. Then, we will move on to bar charts and bar chart variations. Next, we will cover charts with lines, circles, and dots. Finally, we will wrap it up with mapping visualizations. In the exam, you will be asked both what kind of chart a given illustration depicts and what kind of...