Linear regression is a process of drawing a line through data in a scatter plot. The line summarizes the data, which is useful when making predictions.

Based off of the hit television show NUMB3RS, this lesson has students try to discover if there has been a significant change in cell phone use over the course of ten days. If so, this "change point" can be detected by creating a line of...

Students will enjoy this data collection and class analysis experiment involving the time it takes for a hand squeeze to travel around a circle of people. From organizing the activity to collecting the data to making a table and graphing...

Dozens of statistical terms are defined and illustrated in this glossary.