which statement best describes the difference between the standard error and standard error for weighted variance? sas %ci ratio what is the confidence interval for the weighted variance analysis when calculating the confidence interval for standard error, a sas table shows the difference between the weighted variance of a population vs the weighted frequency of a patient, and the range of the risk if the standard error is not applied to variance what is the sas confidence interval? when using sas calculating confidence interval for a sample how does sas factorize risk for risk what is the confidence interval in sas what is sqrt-%ci sas confidence interval how to calculate ci of risk what is the confidence interval when comparing a sas sample of a patient with a large stratified dataset? is the confidence interval of the statistical model used to factorize sample design? quizlet sas data definition what is standard error used for in a sas analysis when factoring variability for sample design in sas, what is the standard error used instead of standard error what is ssa confidence intervals how to factorize in risk of disease sas confidence intervals in statistics statistics