how to exclude outliers from a regression model which condition is responsible for the presence of outliers in the data? can you leave multivariate data unaltered which statement best describes whether to leave a data set unchanged why would you leave unaltered data why is it appropriate to leave the data unaltered when to leave data as it is eg why leave outliers when to leave the data unaltered what would it mean if data were left unaltered is it acceptable to leave variables unaltered can nonlinearities be discarded in multiple regression why do outliers occur in multiple regression why leave outliers which data type has outliers why can't an example be used for outliers is it acceptable to leave data unaltered which of the following could be a problem in multiple regression analysis? what is outlier analysis when you are using multiple regression when to leave unaltered results in multiple regression