This article describes an exercise, Probability and Statistics, which develops a statistic that measures the variety of noun usage in order to distinguish two authors. The exercise emphasizes the use...

This article describes a sampling experiments based on Opinion-poll type data as an alternative to coin-tossing experiments for social science students.

This article explains the method of determining Kendall's Rank correlation coefficient, z, by drawing lines between corresponding points in the two rankings.

The "proof by contradiction" in mathematics, provides a reasonable parallel to the concept of hypothesis testing and in the process helps students see the fallacy of believing that the null...

This article illustrates important concepts of hypothesis testing, including the null and alternative hypotheses, power and sensitivity.

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