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Understanding the Least-Squares Regression Line

This applet allows students to explore three methods for measuring "goodness of fit" of a linear model. Users can manipulate both the data and the regression line to see changes in the square error, the absolute error, and the shortest distance from the data point to the regression line.
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Author Name: 
Illuminations
Technical Requirements: 
Computer and Internet connection
Source Code Available: 
Source Code Available
Intended User Role: 
Learner, Teacher
Resource Type: 
Copyrights: 
Yes
Cost: 
Free for All
Math Level: 

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