This page explores Benford's law and the Pareto Principle (or 80/20 rule). Benford's law may also have a wider meaning if the digits it evaluates are considered ranks or places. The digit's probability of occurring...

Created by Illuminations: Resources for Teaching Mathematics, students model linear data in a variety of settings that range from car repair costs to sports to medicine. Students will construct scatterplots of...

Created by Jill Stevens of Illuminations: Resources for Teaching Mathematics, this activity allows students to look for functions within a given set of data. After analyzing the data, the student should be able to...

Created by Joan Garfield of the University of Minnesota, this activity provides students with 24 histograms representing distributions with differing shapes and characteristics. By sorting the histograms into piles that...

Using a parameter it's possible to represent a property of an entire population with a single number instead of millions of individual data points. There are a number of possible parameters to choose from such as the...