how to determine if a test results indicate a low std which residual affects a score on a test is residuals related to the mean how to find out how a student is performing on test what is a residual test how do you determine the influence of test on the total mean score? how to calculate residual test scores how to find the residual in the mean score what does residuals do to the std in a test what residuals do i have how does residuals influence the mean score does residuals influence mean and std what is the effect of residuals on mean score? what is the contribution of residuals to the mean score which residual is used to determine mean score what is the contribution of residuals to the mean error in the student data? residuals in the mean score of test residuals on a test how can residuals be used to determine mean score does residuals affect mean score