what is the random error for ols regression what is random error in multiple regression what is random error in linear regression what is random error in ols regression? what is random error in ols regression what type of noise is ols what is random error what is random error in ols regression what is random error in multiple regression does random error in ols have gaassian noise what is the random error of an ols regression model what is variance in ols what is random error in ols what is random error in an ols regression what is the difference between random error and gaussian error what is randomly error what is the difference between random error and gaussian noise what is a random error? what is ls random error which model would you use to find random error