University of Georgia
University of Georgia: Definitions in Statistics
This site contains definitions to use in statistics and ways to collect data.
Shodor Education Foundation
Shodor Interactivate: Outliers
Explore what outliers are with this interactive activity.
Quia
Ixl Learning: Interquartile Range
Brush up on your math skills relating to interquartile range then try some practice problems to test your understanding.
Mangahigh
Mangahigh: Data: Find the Quartiles and Interquartile Range
This site provides students practice with the concept of interquartile range. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.
Khan Academy
Khan Academy: Interpreting Quartiles
Practice understanding the meaning of quartiles of data sets. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.