Least-Squares Regression:The mathematical basis for the best-fitting regression line is called least-squares regressionResidual Analysis and Regression Assumptions:Standard residuals are residuals divided by their standard deviation. Standard residualsdescribe how far each residual is from its mean in units of standard deviationsCorrelation and Multicollinearity:This can potentially signify a phenomenon called multicollinearity, a condition occurringwhen two or more independent variables in the same regression model contain high levelsof the same information and, consequently, are strongly correlated with one another andcan predict each other better than the dependent variable.
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