A00-280 Online Practice Questions and Answers

Given the following work data set containing Treatment-Emergent Adverse Events:

In the space below, enter the numeric value of x for "Severe" events under HEADACHE.

Which statement correctly adds a label to the data set?

A. DATA two Label="Subjects having duplicate observations"; set one; run;

B. DATA two; Label="Subjects having duplicate observations"; set one; run;

C. DATA two; set one; Label dataset="Subjects having duplicate observations"; run;

D. DATA two(Label="Subjects having duplicate observations"); set one; run;

You want to calculate the p-value of Fisher's exact test for a 3x3 table. Which option must you add to the TABLES statement of PROC FREQ?

A. CHISQ

B. CMH

C. EXACT

D. EXPECTED

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

This question will ask you to provide a section of missing code.

Given the input SAS data set LABRAW:

Which DO LOOP will create the output SAS data set WORK.LAB_NEW?

A. do i=1 to 2; visit=i; date=dat{i}; result=num{i}; output; end;

B. do i=1 to 2; visit=i; date=dat{i}; result=num{i}; end; output;

C. do i=1 to 2; do j=1 to 2; visit=i; date=dat{j}; result=num{j}; output; end;

D. do i=1 to 2; do j=1 to 2; visit=i; date=dat{j}; result=num{j}; end; output; end;

Given the following data set WORK.DM:

Which subjects will appear in the LOG file?

A. 001 and 004

B. 001 and 006

C. 003 and 004

D. 004 and 006

This question will ask you to provide a line of missing code.

Given the dataset RAWBP that is sorted by SUBJECT TEST WEEK:

Which statement must be added to the program to calculate relative change in percent (percent change) from baseline?

A. pct_chg = ((baseline - value) /baseline)*100;

B. pct_chg = ((value - baseline) /baseline)*100;

C. pct_chg = ((baseline - value) /value)*100;

D. pct_chg = ((value - baseline) /value)*100;

The following SAS program is submitted: data WORK.ALL;

How will the data sets ONE and TWO be combined?

A. updated

B. one-one merged

C. match merged

D. concatenated

This question will ask you to provide a missing option.

The following program is submitted to create a transport file for multiple data sets:

Which option will limit the files that are copied to type data?

A. intype=data

B. memtype=data

C. entrytype=data

D. include=data

From the Statistical Analysis Plan, patients age is calculated as an integer relative to date randomized divided by 365.25. Given the following annotated CRF:

Which programming code defines the patient's age?

A. age = int((birthdt-randdt)/365.25);

B. age = int((randdt-birthdt)/365.25);

C. age= int(yrdif(birthdt,randdt, "act/365.25" ));

D. age = int((today()-birthdt)/365.25);