which of the following is an elliptic regression what is the difference between a confidence curve and an ellipse why is the confidence curve the ellipse? what is the basic concept behind elliptic regression? what is the principle behind an ellipse what is an elliptic curve and how to design it what is elliptic what is the principal component of a confidence curve? how do we construct confidence curves of the ellipses why would you construct an ellipse how to construct an ellipse of r what is the purpose of an ellipse what is the shape for the confidence curve what is meant by elliptic regression define confidence curve in regression why is there a confidence curve ellipse explain elliptic regression what is the symmetry of elliptic regression? ellipse vs circular regression why use an ellipse for data