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A Pragmatic Approach to Spearman's Rank Correlation Coefficient

A Pragmatic Approach to Spearman's Rank Correlation Coefficient

This article, created by D. Griffiths, describes Spearman's coefficient of rank correlation and attempts to explain how its algebraic structure arises. The author states the goals of this lesson as, "A full understanding of correlation requires an appreciation of bivariate distributions, but increasingly rank correlation coefficients are being used as a measure of agreement with pupils for whom such appreciation is not possible. How can we justify the formula used?" The author first provides a description of the statistical method, then an example and finally a description of the mathematical formula used. This is a great introduction to this statistical method.

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