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CUSUM: Computer Simulation for Statistics Teaching
The use of computers for simulation can be used not only to introduce CUSUM (cumulative sum) techniques but also to improve students' understanding of statistical inference and decision making. This article describes...
Deriving Regression Lines Without Calculus
This article, C.W. Puritz of the Royal Grammar School - High Wycombe, describes a method to calculate the least squares line algebraically. First, the author uses a numeric example, which uses calculus, then describes...
Hypothesis Testing and Proof by Contradiction: An Analogy
Created by C.A. Reeves and J.K. Brewer, 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...
Simple Power Curve Constructions
Created by Eddie Shoesmith of the University College of Buckingham, this article illustrates important concepts of hypothesis testing, including the null and alternative hypotheses, power and sensitivity. The author...
Making Students Aware of Bias
Created by Richard W. Madsen of the University of Missouri--Columbia, the following exercise can illustrate the problem of bias in estimators to students in statistics courses. In some advanced courses an alternative...
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