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Common Core: S.ID.6b



This lesson will explain residuals.

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Terms to Know

The difference between the actual value of the response variable for a particular data point and its predicted value from the regression line.

Residual Plot

A scatter plot that plots Residuals vs. explanatory variable, as opposed to response variable vs. explanatory variable. It can be used to assess the fit of a line.

Formulas to Know

r e s i d u a l space equals space y space minus space y with overbrace on top space equals space left parenthesis A c t u a l space R e s p o n s e right parenthesis thin space minus space left parenthesis P r e d i c t e d space R e s p o n s e right parenthesis