how to measure the representativeness of an experiment how to predict an unlabeled observation using standardized covariates why do some models predict an unlabeled sample? how do you measure representativeness of a sample which of these is an example of the measure of representativeness of a sample? a. unlabeled observations b. random forests c. boosted regression trees d. multivariate analysis d. random forest analysis what is the measure of representativeness of a sample? how to measure representativeness of a sample is the unlabeled data better if the covariates are continuously standardized? how do you measure representativeness of a sample? is it possible to measure representativeness using covariates? how to measure the representativeness of an unlabeled sample how accurate is an unlabeled model what are the covariates used for how do you measure representativeness of a sample using covariates? how are covariants used how can a model predict an unlabeled observation how to predict predicts an unlabeled sample how do covariates predict unlabeled observations? what measures representativeness of a sample can you measure unlabeled observation