when a regression is used to average observations when is it better to average observations at the same abscissa? when is it better to average observations at the same average when is it better to average observations at the same abscissa when is it better to average observations at the same abscissa when is it always better to average observations at the same abscissa? when is it better to average observations at the same abscissa when is it better to average observations at the same abscissa when is it better to average observation when is it better to average observations at the same abscissa when is it better to regress y on x? can you use a x mean to find out the average of observations what time is it better to average observations at the same abscissa when is it better to average observations at the same abscissa? when is it ever better to average observations at the same abscissa? which is a better option to regress the sample y and x when is it better to average observation at the same abscissa how to regress y on x when is it better to average observations at the same abscissa? how to figure it all out when is it better to average observations at same abscissa?