Useful Formulae for Ordinary, Least-Squares Regression

3 Useful Formulae for Ordinary, Least-Squares Regression 

This section provides a convenient summary of all the equations required for ordinary, least-squares regression. 

The 100(1—a)% mean response confidence intervals, that is, the region within which the mean value of repeated measurements will lie 100(1 a)% of the time, for the point Xd is given by 

Appendix A3 presents a traditional, nonmatrix, approach to performing univariate (one variable), linear, least-squares regression. 

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