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Exploring the Goodness of Fit in Linear Models

Exploring the Goodness of Fit in Linear Models

Created by author Scott A. Sinex, this is a twelve page tutorial that explores the liner models via Excel spreadsheets. The learning module leads the user through various aspects of linear modeling. This tutorial includes a worksheet that allows students to vary the scatter (or noise) level, by adjusting the scroll bar or by clicking on the arrows, to see how the slope and intercept of line respond to the addition of scatter to the data, while monitoring the value of r^2. This is a thorough overview of this wide ranging topic.

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