ok guys I need help, I have to present a presentation about this subject, I understand the linear regression line, such that sum of the risiduals is equal to 0, but I have no idea when students or I can use the quadratic regression, any examples?
ok guys I need help, I have to present a presentation about this subject, I understand the linear regression line, such that sum of the risiduals is equal to 0, but I have no idea when students or I can use the quadratic regression, any examples?
Try quadratic regression when the scatter plot of your data looks parabolic.