Bivariate Data, Regression and Correlation: Residuals

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In this activity the goal is for students to understand how the regression line is chosen. Autograph has a built-in facility for showing the squares of the residuals and is required to make this task work. Students are asked to explore what the lines that give the sum of the y-on-x residuals equal to zero have in common.

This resource is part of the Making Stats Vital collection from Jonny Griffiths.

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