This preview shows page 1. Sign up to view the full content.
Unformatted text preview: to a change of r standard deviations in y. The coefficient of determination is r^2. A residual is the observed value predicted y or y  You must become aware of any outliers or extreme observations in regression Correlation and regression are closely connected. You can examine the fit of a regression line by studying the residuals. You have to look for influential observations, they are often outliers in the x direction, but they need not have large residuals....
View Full
Document
 Fall '08
 AKBAS
 Statistics

Click to edit the document details