SAS A00-280 Exam Practice Test Instant Access

Question 1

Given the following SCORE data set:

Based on the concept of Last Observation Carried Forward, what will be the value for SCORE for the Week 12

A157

B152

Cmissing

D151

Answer : A

Question 2

Which clause allows macro variable creation on a select statement in PROC SQL?

AINTO

BSYMPUT

CAS

D%MACRO

Answer : D

Question 3

Given the SAS data set WORK.VS1:

Which value will be assigned to variable TOTAL?

Amissing

B112

C140

D560

Answer : C

Question 4

Which SAS program will apply the data set label 'Demographics' to the data set named DEMO?

Adata demo (label='Demographics');
set demo;
run;

Bdata demo;
set demo (label='Demographics');
run;

Cdata demo (label 'Demographics');
set demo;
run;

Ddata demo;
set demo;
label demo= 'Demographics';
run;

Answer : A

Question 5

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?

Ado i=1 to 2;
visit=i;
date=dat{i};
result=num{i};
output;
end;

Bdo i=1 to 2;
visit=i;
date=dat{i};
result=num{i};
end;
output;

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

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

Answer : A

Question 6

Given two data sets with the following variables:

Why is the blue note showing in the log?

AThe variable VISIT occurs in both data sets but is not included in the BY statement.

BThere are no observations with matching values for SUBJID in either data set.

CThere are multiple observations with the same value for SUBJID in both data sets.

DOne of the two data sets has multiple observations with the same value for SUBJID.

Answer : C

Question 7

Given the following output from the TTEST Procedure: Variable:

What is the t-test p-value?

A0.3121

B<.0001

C37.49

D0.2041

Answer : B

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