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This page contains three applets on linear, quadratic and exponential regression. Each allows the user to investigate the relationship between the scatter plot of entered data and the regression equation.
This interactive lecture activity, created by Carolyn Cuff of Westminster College, motivates the need for sampling. "Why sample, why not just take a census?" Under time pressure, students count the number of times the...
In this activity, students learn the true nature of the chisquare and F distributions in lecture notes (PowerPoint file) and an Excel simulation. This leads to a discussion of the properties of the two distributions....
In this activity, students explore calculations with simple rates and proportions, and basic time series data, in the context of news coverage of an important statistical study. From 1973 to 1995, a total of 4578 US...
This activity uses student's own data to introduce bivariate relationship using hand size to predict height. Students enter their data through a realtime online database. Data from different classes are stored and...

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