why is a statistical sur an OLS what is sur in algebra what is the equivalent of a sur when the resulting equation is found to be unrelated what is the resulting ols why ols and sur is a similarity what is the difference between sur a curve and an equation by equation ols why is sur equivalent to ols regression what is sur and ols when an equation contains exactly the same set of regressors. i. when each equation contains exactly the same sets of regressors. ii. when each equation contains exactly the same set of regressors. iii. when each equation contains exactly the what is sur in regression define sur in mathematical terms is a sur an ols when does sur apply when an equation contains exactly the same set of regressors when a regression has a condition similar to an ols what is similar to an unrelated regression what is the difference between a sur and an ols equation why is the word sur used does ols mean unrelated what is the ols equation for regression