If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Graphs and data | Quick guide

What's on the test?

Common errors

Tips and strategies

Was this article helpful? Help us improve by letting us know what you think! Fill out our survey

Want to join the conversation?