Free SAS Institute A00-282 Exam Questions

During a clinical trial, data were collected on a nominal categorical variable indicating patients' blood type (Type A, Type B, Type AB, Type O). The goal is to analyze the distribution of blood types among patients who experienced an adverse event versus those who did not. Which of the following statistical methods BEST suits the objective of comparing the distribution of a nominal categorical variable across two independent groups?

While performing data validation checks, you are tasked with writing a SAS program that will identify all subjects who have a discrepancy in their record: the variable 'EndDate' is before the 'StartDate'. Which programming technique would be best suited to identify these subjects?

A pharmaceutical company is preparing submission materials for a new drug application. One of the key documents required by regulatory authorities is define.xml. Which of the following best describes the purpose of the define.xml file?

In a clinical study comparing the time to event (such as time to relapse) between two different treatments, what SAS procedure would you use to estimate the survival function and compare the survival times between the two groups?

A clinical trial analyst needs to create a Kaplan-Meier survival plot to visualize the time-to-event data for different treatment groups. Which PROC step should the analyst use, and what is the key statement to differentiate the treatment groups in the graph?