A00-280 Online Practice Questions and Answers
The following output is displayed: Which SAS program created this output?
A. proc freq data=WORK.TESTDATA; tables gender * answer / nocol norow nopercent; run;
B. proc freq data=WORK.TESTDATA; tables answer * gender / nocol norow nopercent; run;
C. proc freq data=WORK.TESTDATA; tables gender * answer / nocol norow nopercent missing; run;
D. proc freq data=WORK.TESTDATA; tables answer * gender / nocol norow nopercent missing; run;
Given the following output from the TTEST Procedure: Variable:
What is the t-test p-value?
A. 0.3121
B. <.0001
C. 37.49
D. 0.2041
Which validation technique involves two programmers writing separate programs to produce the same output, then comparing the result?
A. Independent Programming
B. Peer Matching
C. Identical Programming
D. Peer Review
Given the following entry in the SAS log:
Which alternate method could you use to? ?Transpose all data ?Not produce a warning message in the log
A. Use PROC TRANSPOSE with a WHERE clause to omit records with missing VISIT values
B. Use PROC COPY with SELECT statements
C. Use PROC DATASETS with SELECT and MODIFY statements
D. Use a DATA step with conditional OUTPUT statements
Which function would be used to determine the number of elements in an existing array?
A. dim ()
B. n ()
C. sum ()
D. count ()
Given the SAS data set WORK.VS1:
Which value will be assigned to variable TOTAL?
A. missing
B. 112
C. 140
D. 560
A report that you are working on will require the following header lines:
Which code adds the second line of the header "Adverse Events"?
A. header2 'Adverse Events';
B. header2 = 'Adverse Events';
C. title2 = 'Adverse Events';
D. title2 'Adverse Events';
Given the following two data sets EX and AE:
Which output data set is produced by the submitted SAS program?
A. Option A
B. Option B
C. Option C
D. Option D
A Statistical Analysis Plan (SAP) defines the selection process for baseline records. This instructs the programmer to choose the last non-missing analyte value prior to first study drug administration (date/time).
The DEMO data set contains the date/time of first study drug administration for subject:
What will be the resulting baseline values, as selected per the SAP instructions?
A. Option A
B. Option B
C. Option C
D. Option D
An action plan that describes what will be done in a drug study, how it will be conducted, and why each part of the study is necessary is called:
A. a clinical trial plan
B. a protocol
C. a data management plan
D. a statistical analysis plan