Q30

The following SAS program is submitted:

data work.total;
set work.salary(keep = department wagerate);
by department;
if first.department then payroll = 0;
payroll + wagerate;
if last.department;
run;

The SAS data set named WORK.SALARY contains 10 observations for each department, currently ordered by DEPARTMENT.

Which one of the following is true regarding the program above?

A. The BY statement in the DATA step causes a syntax error.
B. FIRST.DEPARTMENT and LAST.DEPARTMENT are variables in the WORK.TOTAL data set.
C. The values of the variable PAYROLL represent the total for each department in the WORK.SALARY data set.
D. The values of the variable PAYROLL represent a total for all values of WAGERATE in the WORK.SALARY data set.

Q29

The following SAS program is submitted:

libname sasdata 'SAS-data-library';
data test;
set sasdata.chemists (keep = job_code);
if job_code = 'chem3' then description = 'Senior Chemist';
run;

The variable JOB_CODE is a character variable with a length of 6 bytes.

Which one of the following is the length of the variable DESCRIPTION in the output data set?

A. 6 bytes
B. 8 bytes
C. 14 bytes
D. 200 bytes

Q28

The following SAS program is submitted:

data work.accounting;
set work.dept1 work.dept2;
run;

A character variable named JOBCODE is contained in both the WORK.DEPT1 and WORK.DEPT2 SAS data sets. The variable JOBCODE has a length of 5 in the WORK.DEPT1 data set and a length of 7 in the WORK.DEPT2 data set.
Which one of the following is the length of the variable JOBCODE in the output data set?

A. 5
B. 7
C. 8
D. 12

Q27

The following SAS DATA step is submitted:

data work.accounting;
set work.department;
length jobcode $ 12;
run;

The WORK.DEPARTMENT SAS data set contains a character variable named JOBCODE with a length of 5. Which one of the following is the length of the variable JOBCODE in the output data set?

A. 5
B. 8
C. 12
D. The length cannot be determined as the program fails to execute due to errors.

Q26

Which one of the following SAS statements renames two variables?

A. set work.dept1 work.dept2(rename = (jcode = jobcode) (sal = salary));

B. set work.dept1 work.dept2(rename = (jcode = jobcode sal = salary));

C. set work.dept1 work.dept2(rename = jcode = jobcode sal = salary);

D. set work.dept1 work.dept2(rename = (jcode jobcode) (sal salary));

Q25

The following SAS program is submitted:

data work.company;
set work.dept1(keep = jobcode) work.dept2(rename = (jcode = jobcode));
run;

Which one of the following is the result?

A. The variable JCODE is written to the output data set.
B. The variable JOBCODE is written to the output data set.
C. Neither variable JCODE nor JOBCODE is written to the output data set.
D. The program fails to execute due to errors.

Q24

The following SAS program is submitted:

data work.passengers;
if OrigPassengers = . then OrigPassengers = 100;
TransPassengers = 100;
OrigPassengers = .;
NonPaying = 10;
TotalPassengers = sum (OrigPassengers, TransPassengers);
run;

Which one of the following is the value of the TOTALPASSENGERS variable in the output data set?

A. 100
B. 110
C. 200
D. . (missing numeric value)

Q23

The following SAS program is submitted:
data work.passengers;
if OrigPassengers = . then OrigPassengers = 100;
TransPassengers = 100;
OrigPassengers = .;
NonPaying = 10;
TotalPassengers = OrigPassengers + TransPassengers;
run;

Which one of the following is the value of the TOTALPASSENGERS variable in the output data set?

A. 100
B. 110
C. 200
D. . (missing numeric value)

Q22

The following SAS program is submitted:

data work.staff;
JobCategory = 'FA';
JobLevel = '1';
JobCategory = JobCategory || JobLevel;
run;

Which one of the following is the value of the variable JOBCATEGORY in the output data set?

A. FA
B. FA1
C. FA 1
D. ' ' (missing character value)