Basic Concepts
In a nutshell: Data interpretation is about extracting and analyzing information from visual data.
## Making Sense of Charts and Graphs
The GRE loves to test your ability to interpret data in tables, bar graphs, line graphs, and pie charts.
### What To Look For
- Find totals, averages, and differences.
- Calculate percent increase or decrease.
- Understand trends and make predictions.
### Day-to-Day Use
From reading sports stats to comparing job offers, interpreting data is a life skill.
### Approach
- Read all labels and units carefully.
- Estimate before calculating to check if your answer is reasonable.
- Look for patterns or outliers in the data.
### GRE Data Sets
Some questions may require you to analyze data from multiple sources or combine information from different charts.
Examples
- Identify the year with the highest sales from a bar graph.
- Calculate the average monthly rainfall from a data table.