The __________ plot is used to check the linearity and equal variance assumptions of a multiple linear regression.
- Cook's Distance
- Leverage
- Quantile-Quantile
- Residuals vs fitted values
The residuals vs fitted values plot is commonly used in regression diagnostics to check the assumptions of linearity and equal variance (homoscedasticity). The residuals should be scattered randomly around zero, and the spread of the residuals should not change with the fitted values.
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