Chapter 12
Interpreting Data and Graphs
IN THIS CHAPTER
Going through basic statistics
Finding details in tables
Making sense of graphs
Regardless of your area of study or your choice in grad school, you need a general understanding of what statistics tell you and how they work along with the ability to make sense of data presented in tables and graphs. The folks who developed the GRE are well aware of this fact, so they include several questions in the math sections of the exam to test your skills in data analysis.
This chapter gets you up to speed on the basics of understanding graphs and different kinds of data. In this chapter, you wrap your brain around the concepts of median, mode, range, mean, and standard deviation; figure out how to read tables and answer questions about the data they contain; and sharpen your ability to extract and analyze data from graphs.
Brushing Up on Basic Stats
The mere mention of statistics makes some people’s brains spin, but most statistics questions on the GRE are fairly basic. If you can master a few concepts, you can solve any statistics problem on the GRE. In this section, I cover the concepts of median, mode, range, mean, and standard ...
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