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View Resource Diamond Ring Pricing Using Linear Regression

The dataset presented in this article, created by Singfat Chu of the National University of Singapore, contains information on the prices and weights of diamond stones; it can be used to illustrate simple linear regression and encourage students to think critically about the appropriateness of a model. The data is in .dat format. Some of the key concepts includes: extrapolation interpretation of...

View Resource Forecasting Computer Usage

This article, created by Julie M. Hays of the University of St. Thomas, presents a dataset containing actual monthly data on computer usage in Best Buy stores from August 1996 to July 2000. This dataset can be used to illustrate time-series forecasting, causal forecasting, simple linear regression, unequal error variances, and variable transformation. Other key concepts include model-building and...

View Resource Regression, Prediction, and Model Building

This tutorial, created by Thomas W. McFarland of Nova Southeastern University, explains the theory and use of multiple regression and demonstrates it with an example on SAT scores and GPA. Data sets are provided in both SPSS and Minitab code. This is a good resource for both students and teachers interested in a more in-depth study of statistics.

View Resource The R-Project for Statistical Computing

R is an integrated suite of software facilities for data manipulation, calculation and graphical display. R is a free software environment and language for statistical computing and graphics. R provides a wide variety of statistical (linear and nonlinear modeling, classical statistical tests, time-series analysis, classification, clustering, ...) and graphical techniques, and is highly...

View Resource Ruth Charney on Modeling with Cubes

The Mathematical Association of America (MAA) continues to build on their already solid online presence with the addition of this lecture by noted mathematician and scholar Professor Ruth Charney. This particular lecture was given at the MAA's Carriage House Conference Center in the fall of 2008 and it deals with how cubes can be used to represent a variety of systems. As Charney notes, "The...

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