Re: Ecotrics Simple Problem

Posted by phelps.phan on Jun 03, 2014; 9:20pm
URL: http://discussion-forum.276.s1.nabble.com/Ecotrics-Simple-Problem-tp7591422p7591424.html

Hi Ashima I might be wrong,
Why do u need the sum e^2?
σ^2 is just calculated the usual way right. exp(x^2)-(exp x)^2 which u can find with ur given values.
The standard error for the regression coefficients= σ/root(sum(x^2)). why bother about e^2.