Whiskers are not just for cats! Pupils create box-and-whisker plots from given data sets. They analyze the data using the graphs as their guide.

Brush up on your math skills relating to mean, median, mode, and range then try some practice problems to test your understanding.

Mean, median, and mode are three kinds of "averages". The "mean" is the "average" you're used to, where you add up all the numbers and then divide by the number of numbers. The "median" is the "middle" value in the list of numbers. To...

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