The data analysis questions on the GRE (or, like most people call them, the "graph" questions), require you to interpret from and utilize graphs, charts, and tabulated data. There will be four such questions on the Quantitative section, and there is no general rule or fool-proof study method which will prepare you for all possible data interpretation questions.
However, there are general tactics that you can apply when answering data interpretation questions -- tactics that are simple steps which are used to read and interpret any graphic or tabular data set. Among the key things that you should remember:
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