SAS Institute A00-282 Answers

Given the following SAS program: `%let treatmentA = Placebo;%let treatmentB = DrugX;%let numSubjects = 50; %macro setGroups(trt1=, trt2=);%let group1 = &trt1;%let group2 = &trt2;%mend; %setGroups(trt1=&treatmentA;, trt2=&treatmentB;)

When using PROC REPORT to summarize clinical trials data, you want to add a summary row at the end of each BY group as well as a grand total at the end of the report. Which combination of BREAK and RBREAK statements would correctly achieve this?

During a clinical trial data analysis, you intend to use a SAS automatic variable that contains the current date whenever the SAS code is executed. This will be utilized to flag all records from the clinical trial data set that have been captured after a certain cutoff date. Which of the following SAS automatic variables should be used to get the current date in a data step?

A SAS programmer needs to perform a one-way ANOVA to compare mean blood pressure levels across three different treatment groups. The dataset 'clinic_bp' contains variables 'treatment' (categorical variable for treatment groups) and 'bp' (continuous variable for blood pressure measurements). Which SAS procedure should the programmer use to produce the appropriate analysis?

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?