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2. A New Way to Teach (or Compute) Pearson's 'r' without Reliance on Cross-Products

Author

Huck, Schuyler W., Ren, Bixiang, and Yang, Hongwei

Abstract

Many students have difficulty seeing the conceptual link between bivariate data displayed in a scatterplot and the statistical summary of the relationship, "r." This article shows how to teach (and compute) "r" such that each datum's direct and indirect influences are made apparent and used in a new formula for calculating Pearson's "r."

Published
2007
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