why are residuals independent when interpreting a linear regression model? are residuals correlated why doesn't correlation of residuals matter when testing for normality? why are residual tests not independent why do residuals do not matter in regression tests why residuals are correlated why is not correlation important if residuals come from normal distribution is the correlation of residuals correlated? why is residual correlated in regression why does correlation of residuals matter why is residuals correlated when testing for normality? does regression testing depend on correlation why is it not important to check residuals for normality why does correlation mean residuals why are residuals not independent does correlation matter in regression why doesn't correlation matter why is regression independent why is the correlation of residuals significant when is residual correlated