New Year Special Sale - 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: spcl70

Note! A00-280 has been withdrawn.

Practice Free A00-280 Clinical Trials Programming Using SAS 9 Exam Questions Answers With Explanation

We at Crack4sure are committed to giving students who are preparing for the SAS Institute A00-280 Exam the most current and reliable questions . To help people study, we've made some of our Clinical Trials Programming Using SAS 9 exam materials available for free to everyone. You can take the Free A00-280 Practice Test as many times as you want. The answers to the practice questions are given, and each answer is explained.

Get Full 99 Questions Search Other SAS Institute Exam
Question # 6

Given the following data set (AE):

A00-280 question answer

Data will be reported by onset week. Day 1 ?7 is Week 1, Day 8 ?14 is Week 2. Events beyond Day 14 are assigned Week 3 and will be reported as Follow-up events.

Which statements properly assign WEEK to each event?

A.

if day > 14 then week = 3 ;

else if day > 7 then week = 2 ;

else if day > 0 then week = 1 ;

B.

if day > 0 then week = 1 ;

else if day > 7 then week = 2 ;

else if day > 14 then week = 3 ;

C.

select ;

when (day > 0) week = 1 ;

when (day > 7) week = 2 ;

otherwise week = 3 ;

end ;

D.

select ;

when (day > 14) week = 3 ;

when (day > 7) week = 2 ;

otherwise week = 1 ;

end ;

Question # 7

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

Question # 8

The following SAS program is submitted.

A00-280 question answer

What result is displayed for the variable COUNT?

A.

1

B.

2

C.

3C.3

D.

4D.4

Question # 9

This question will ask you to provide a missing option.

Given an existing work data set (DM), the following code is submitted:

A00-280 question answer

A.

MPRINT

B.

SYMBOLGEN

C.

MLOGIC

D.

MRECALL

Question # 10

Given the SAS data set WORK.BP

A00-280 question answer

What is the result?

A.

WORK.HIGHBP has 1 observation

WORK.NORMBP has 1 observation

WORK.INVESTBP has 3 observations

B.

WORK.HIGHBP has 1 observation

WORK.NORMBP has 1 observation

WORK.INVESTBP has 4 observations

C.

WORK.HIGHBP has 1 observation

WORK.NORMBP has 1 observation

WORK.INVESTBP has 2 observations

D.

WORK.HIGHBP has 2 observations

WORK.NORMBP has 2 observations

WORK.INVESTBP has 3 observations

Question # 11

Given the following entry in the SAS log:

A00-280 question answer

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

Question # 12

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

A00-280 question answer

Which line of code would produce the blue notes in the log?

A.

if indm ne indisp then output 'MERGE ISSUE: ' subjid indm indisp ;

B.

if indm ne indisp then put 'MERGE ISSUE: ' subjid= indm= indisp=;

C.

%if indm ne indisp %then %put 'MERGE ISSUE: ' subjid= indm= indisp=;

D.

if indm ne indisp then put 'MERGE ISSUE: ' _all_ ;

Question # 13

A SAS program is submitted and the following log is written.

A00-280 question answer

What is the cause of this error message?

A.

The ARRAY declaration is syntactically incorrect.

B.

The IF statement is syntactically incorrect.

C.

The DO loop tries to get a value from a variable which does not exist.

D.

The IF statement tries to get ARRAY elements which are not declared.

Question # 14

The data set CM has eight variables including CMTRT and is sorted by STUDYID USUBJID CMSEQ.

DATA_BB is created by selecting records from CM where the character string "BLOCKER" is included in CMTRT.

A00-280 question answer

Which program was used to produce WORK.DATA_BB?

A.

proc sort data=cm out=data_bb (keep=usubjid cmstdtc cmtrt);

by usubjid CMSTDTC;

where cmtrt in('BLOCKER');

run;

B.

proc sort data=CM (keep=usubjid cmstdtc cmtrt) out=data_bb;

by usubjid CMSTDTC;

where cmtrt contains 'BLOCKER';

run;

C.

data data_bb;

set cm (where=(find(cmtrt,'BLOCKER','i')>0));

by usubjid CMSTDTC;

run;

D.

data data_bb;

set cm (keep=usubjid cmstdtc cmtrt);

by usubjid CMSTDTC;

where cmtrt in('BLOCKER');

run;