Sas2

Front 1

The following SAS program is submitted:

data work.pieces;
do while (n lt 6);
n + 1;
end;
run;


Which one of the following is the value of the variable N in the output data set?
A. 4
B. 5
C. 6
D. 7

Back 1

Answer : C
When n=6 the do while stops

Front 2

The following SAS program is submitted:

data work.pieces;
do while (n lt 6);
n + 1;
end;
run;


Which one of the following is the value of the variable N in the output data set?
A. 4
B. 5
C. 6
D. 7

Back 2

Answer : C
When n=6 the do while stops

Front 3

The following SAS program is submitted:


data work.clients;
calls = 6;
do while (calls le 6);
calls + 1;
end;
run;


Which one of the following is the value of the variable CALLS in the output data set?
A. 4
B. 5
C. 6
D. 7

Back 3

Answer D.
Calls advances to 7 then stops in the do while loop

Front 4

The following SAS program is submitted:


data work.clients;
calls = 6;
do while (calls le 6);
calls + 1;
end;
run;


Which one of the following is the value of the variable CALLS in the output data set?
A. 4
B. 5
C. 6
D. 7

Back 4

Answer D.
Calls advances to 7 then stops in the do while loop

Front 5

The SAS data set BANKS is listed below:


name rate

FirstCapital 0.0718
DirectBank 0.0721
VirtualDirect 0.0728


The following SAS program is submitted:


data newbank;
do year = 1 to 3;
set banks;
capital + 5000;
end;
run;


Which one of the following represents how many observations and variables will exist in the SAS data set NEWBANK?
A. 0 observations and 0 variables
B. 1 observations and 4 variables
C. 3 observations and 3 variables
D. 9 observations and 2 variables

Back 5

Answer: B

The input dataset Banks has 3 obs that are read in the do loop…Since there is no explicit OUTPUT statement the output dsn NEWBANK will have 1 observation 4 variables
Name rate year capital.

Front 6

The SAS data set BANKS is listed below:


name rate

FirstCapital 0.0718
DirectBank 0.0721
VirtualDirect 0.0728


The following SAS program is submitted:


data newbank;
do year = 1 to 3;
set banks;
capital + 5000;
end;
run;


Which one of the following represents how many observations and variables will exist in the SAS data set NEWBANK?
A. 0 observations and 0 variables
B. 1 observations and 4 variables
C. 3 observations and 3 variables
D. 9 observations and 2 variables

Back 6

Answer: B

The input dataset Banks has 3 obs that are read in the do loop…Since there is no explicit OUTPUT statement the output dsn NEWBANK will have 1 observation 4 variables
Name rate year capital.

Front 7

The SAS data set SASUSER.HOUSES contains a variable PRICE which has been assigned a permanent label of "Asking Price".


Which one of the following SAS programs temporarily replaces the label "Asking Price" with the label "Sale Price" in the output?


A. proc print data = sasuser.houses;
label price = "Sale Price";
run;


B. proc print data = sasuser.houses label;
label price "Sale Price";
run;


C. proc print data = sasuser.houses label;
label price = "Sale Price";
run;


D. proc print data = sasuser.houses label = "Sale Price";
run;

Back 7

Answer C

Front 8

The SAS data set SASUSER.HOUSES contains a variable PRICE which has been assigned a permanent label of "Asking Price".


Which one of the following SAS programs temporarily replaces the label "Asking Price" with the label "Sale Price" in the output?


A. proc print data = sasuser.houses;
label price = "Sale Price";
run;


B. proc print data = sasuser.houses label;
label price "Sale Price";
run;


C. proc print data = sasuser.houses label;
label price = "Sale Price";
run;


D. proc print data = sasuser.houses label = "Sale Price";
run;

Back 8

Answer C

Front 9

SAS Certification Questions
Collection of Practice questions and Answers for SAS Certification...


CLICK ON THE COMMENTS TO VIEW THE ANSWERS
Sunday, January 24, 2010

Base 29
The value 110700 is stored in a numeric variable.

Which one of the following SAS formats is used to display the value as $110,700.00 in a report?

A. comma8.2
B. comma11.2
C. dollar8.2
D. dollar11.2

Back 9

Answer D

Front 10

SAS Certification Questions
Collection of Practice questions and Answers for SAS Certification...


CLICK ON THE COMMENTS TO VIEW THE ANSWERS
Sunday, January 24, 2010

Base 29
The value 110700 is stored in a numeric variable.

Which one of the following SAS formats is used to display the value as $110,700.00 in a report?

A. comma8.2
B. comma11.2
C. dollar8.2
D. dollar11.2

Back 10

Answer D

Front 11

A realtor has two customers. One customer wants to view a list of homes selling for less than $60,000. The other customer wants to view a list of homes selling for greater than $100,000. Assuming the PRICE variable is numeric, which one of the following PRINT procedure steps will select all desired observations?

A. proc print data = sasuser.houses;
where price lt 60000;
where price gt 100000;
run;

B. proc print data = sasuser.houses;
where price lt 60000 or price gt 100000;
run;

C. proc print data = sasuser.houses;
where price lt 60000 and price gt 100000;
run;

D. proc print data = sasuser.houses;
where price lt 60000 or where price gt 100000;
run;

Back 11

Answer: B

Front 12

A realtor has two customers. One customer wants to view a list of homes selling for less than $60,000. The other customer wants to view a list of homes selling for greater than $100,000. Assuming the PRICE variable is numeric, which one of the following PRINT procedure steps will select all desired observations?

A. proc print data = sasuser.houses;
where price lt 60000;
where price gt 100000;
run;

B. proc print data = sasuser.houses;
where price lt 60000 or price gt 100000;
run;

C. proc print data = sasuser.houses;
where price lt 60000 and price gt 100000;
run;

D. proc print data = sasuser.houses;
where price lt 60000 or where price gt 100000;
run;

Back 12

Answer: B

Front 13

The following SAS program is submitted:


proc sort data = sasuser.houses out = houses;
by style;
run;
proc print data = houses;
.
run;


style bedrooms baths price
CONDO 2 1.5 80050
3 2.5 79350
4 2.5 127150
2 2.0 110700
RANCH 2 1.0 64000
3 3.0 86650
3 1.0 89100
1 1.0 34550
SPLIT 1 1.0 65850
4 3.0 94450
3 1.5 73650
TWOSTORY 4 3.0 107250
2 1.0 55850
2 1.0 69250
4 2.5 102950


Which of the following SAS statement(s) create(s) the report?
A. id style;
B. id style; var style bedrooms baths price;
C. id style; by style; var bedrooms baths price;
D. id style; by style; var style bedrooms baths price;

Back 13

Answer : C

Front 14

The following SAS program is submitted:


proc sort data = sasuser.houses out = houses;
by style;
run;
proc print data = houses;
.
run;


style bedrooms baths price
CONDO 2 1.5 80050
3 2.5 79350
4 2.5 127150
2 2.0 110700
RANCH 2 1.0 64000
3 3.0 86650
3 1.0 89100
1 1.0 34550
SPLIT 1 1.0 65850
4 3.0 94450
3 1.5 73650
TWOSTORY 4 3.0 107250
2 1.0 55850
2 1.0 69250
4 2.5 102950


Which of the following SAS statement(s) create(s) the report?
A. id style;
B. id style; var style bedrooms baths price;
C. id style; by style; var bedrooms baths price;
D. id style; by style; var style bedrooms baths price;

Back 14

Answer : C

Front 15

Unless specified, which variables and data values are used to calculate statistics in the MEANS procedure?


A. non-missing numeric variable values only
B. missing numeric variable values and non-missing numeric variable values only
C. non-missing character variables and non-missing numeric variable values only
D. missing character variables, non-missing character variables, missing numeric variable values, and non-missing numeric variable
values

Back 15

Answer A

Front 16

Unless specified, which variables and data values are used to calculate statistics in the MEANS procedure?


A. non-missing numeric variable values only
B. missing numeric variable values and non-missing numeric variable values only
C. non-missing character variables and non-missing numeric variable values only
D. missing character variables, non-missing character variables, missing numeric variable values, and non-missing numeric variable
values

Back 16

Answer A

Front 17

The following SAS program is submitted:


proc means data = sasuser.houses std mean max;
var sqfeet;
run;


Which one of the following is needed to display the standard deviation with only two decimal places?
A. Add the option MAXDEC = 2 to the MEANS procedure statement.
B. Add the statement MAXDEC = 7.2; in the MEANS procedure step.
C. Add the statement FORMAT STD 7.2; in the MEANS procedure step.
D. Add the option FORMAT = 7.2 option to the MEANS procedure statement.

Back 17

Answer A
Option Maxdec=2 is sufficient

Front 18

The following SAS program is submitted:


proc means data = sasuser.houses std mean max;
var sqfeet;
run;


Which one of the following is needed to display the standard deviation with only two decimal places?
A. Add the option MAXDEC = 2 to the MEANS procedure statement.
B. Add the statement MAXDEC = 7.2; in the MEANS procedure step.
C. Add the statement FORMAT STD 7.2; in the MEANS procedure step.
D. Add the option FORMAT = 7.2 option to the MEANS procedure statement.

Back 18

Answer A
Option Maxdec=2 is sufficient

Front 19

The following SAS program is submitted:


footnote1 'Sales Report for Last Month';
footnote2 'Selected Products Only';
footnote3 'All Regions';
footnote4 'All Figures in Thousands of Dollars';


proc print data = sasuser.shoes;
footnote2 'All Products';
run;


Which one of the following contains the footnote text that is displayed in the report?

A. All Products
B. Sales Report for Last Month All Products
C. All Products All Regions All Figures in Thousands of Dollars
D. Sales Report for Last Month All Products All Regions All Figures in Thousands of Dollars

Back 19

Answer B

Sales Report for Last Month All Products Only

Since footnote2 has a higher precedence footnote 3 and 4 get cancelled.

Front 20

The following SAS program is submitted:


footnote1 'Sales Report for Last Month';
footnote2 'Selected Products Only';
footnote3 'All Regions';
footnote4 'All Figures in Thousands of Dollars';


proc print data = sasuser.shoes;
footnote2 'All Products';
run;


Which one of the following contains the footnote text that is displayed in the report?

A. All Products
B. Sales Report for Last Month All Products
C. All Products All Regions All Figures in Thousands of Dollars
D. Sales Report for Last Month All Products All Regions All Figures in Thousands of Dollars

Back 20

Answer B

Sales Report for Last Month All Products Only

Since footnote2 has a higher precedence footnote 3 and 4 get cancelled.

Front 21

Which one of the following SAS system options prevents the page number from appearing on a report?


A. NONUM
B. NOPAGE
C. NONUMBER
D. NOPAGENUM

Back 21

Answer C
Options nonumber;

Front 22

Which one of the following SAS system options prevents the page number from appearing on a report?


A. NONUM
B. NOPAGE
C. NONUMBER
D. NOPAGENUM

Back 22

Answer C
Options nonumber;

Front 23

Which one of the following SAS system options displays the time on a report?


A. TIME
B. DATE
C. TODAY
D. DATETIME

Back 23

Answer: B

Options date; displays the time and date

Front 24

Which one of the following SAS system options displays the time on a report?


A. TIME
B. DATE
C. TODAY
D. DATETIME

Back 24

Answer: B

Options date; displays the time and date

Front 25

The following SAS program is submitted:


options pageno = 1;


proc print data = sasuser.houses;
run;


proc means data = sasuser.shoes;
run;


The report created by the PRINT procedure step generates 5 pages of output.


What is the page number on the first page of the report generated by the MEANS procedure step?
A. 1
B. 2
C. 5
D. 6

Back 25

Answer: D

Proc Print prints for 5 pages...Means starts from 6

Front 26

The following SAS program is submitted:


options pageno = 1;


proc print data = sasuser.houses;
run;


proc means data = sasuser.shoes;
run;


The report created by the PRINT procedure step generates 5 pages of output.


What is the page number on the first page of the report generated by the MEANS procedure step?
A. 1
B. 2
C. 5
D. 6

Back 26

Answer: D

Proc Print prints for 5 pages...Means starts from 6

Front 27

The following SAS program is submitted:


proc format;
value score
1 - 50 = 'Fail'
51 - 100 = 'Pass';
run;


proc report data = work.courses nowd;
column exam;
define exam / display format = score.;
run;


The variable EXAM has a value of 50.5.


How will the EXAM variable value be displayed in the REPORT procedure output?
A. Fail
B. Pass
C. 50.5
D. . (missing numeric value)

Back 27

Answer: C

Values from 50 to 51 are not covered in the proc format range.

Front 28

The following SAS program is submitted:


proc format;
value score
1 - 50 = 'Fail'
51 - 100 = 'Pass';
run;


proc report data = work.courses nowd;
column exam;
define exam / display format = score.;
run;


The variable EXAM has a value of 50.5.


How will the EXAM variable value be displayed in the REPORT procedure output?
A. Fail
B. Pass
C. 50.5
D. . (missing numeric value)

Back 28

Answer: C

Values from 50 to 51 are not covered in the proc format range.

Front 29

The following SAS program is submitted:

proc means data = sasuser.shoes;
where product in ('Sandal' , 'Slipper' , 'Boot');
run;


Which one of the following ODS statements completes the program and sends the report to an HTML file?
A. ods html = 'sales.html';
B. ods file = 'sales.html';
C. ods file html = 'sales.html';
D. ods html file = 'sales.html';

Back 29

Answer: D
ods html file = 'sales.html';

Front 30

The following SAS program is submitted:

proc means data = sasuser.shoes;
where product in ('Sandal' , 'Slipper' , 'Boot');
run;


Which one of the following ODS statements completes the program and sends the report to an HTML file?
A. ods html = 'sales.html';
B. ods file = 'sales.html';
C. ods file html = 'sales.html';
D. ods html file = 'sales.html';

Back 30

Answer: D
ods html file = 'sales.html';

Front 31

Which one of the following ODS statement options terminates output being written to an HTML file?


A. END
B. QUIT
C. STOP
D. CLOSE

Back 31

Answer : D

ods html close; tells SAS to terminate output being written to an HTML file

Front 32

Which one of the following ODS statement options terminates output being written to an HTML file?


A. END
B. QUIT
C. STOP
D. CLOSE

Back 32

Answer : D

ods html close; tells SAS to terminate output being written to an HTML file

Front 33

The following SAS program is submitted:


libname sasdata 'SAS-data-library';
data test;
set sasdata.chemists;
if jobcode = 'chem3' then description = 'Senior Chemist';
else description = 'Unknown';
run;


A value for the variable JOBCODE is listed below:
JOBCODE
CHEM3


Which one of the following values does the variable DESCRIPTION contain?


A. chem3
B. Unknown
C. Senior Chemist
D. ' ' (missing character value)

Back 33

Answer: B

The dataset has ‘CHEM3’ and the if statement is looking for ‘chem3’…
Remember the SAS variables are not case-sensitive but the SAS DATA is…

Front 34

The following SAS program is submitted:


libname sasdata 'SAS-data-library';
data test;
set sasdata.chemists;
if jobcode = 'chem3' then description = 'Senior Chemist';
else description = 'Unknown';
run;


A value for the variable JOBCODE is listed below:
JOBCODE
CHEM3


Which one of the following values does the variable DESCRIPTION contain?


A. chem3
B. Unknown
C. Senior Chemist
D. ' ' (missing character value)

Back 34

Answer: B

The dataset has ‘CHEM3’ and the if statement is looking for ‘chem3’…
Remember the SAS variables are not case-sensitive but the SAS DATA is…

Front 35

The following SAS program is submitted:


libname sasdata 'SAS-data-library';
data test;
set sasdata.chemists;
if jobcode = 'Chem2' then description = 'Senior Chemist';
else description = 'Unknown';
run;


A value for the variable JOBCODE is listed below:
JOBCODE
chem2

Which one of the following values does the variable DESCRIPTION contain?
A. Chem2
B. Unknown
C. Senior Chemist
D. ' ' (missing character value)

Back 35

Answer: B

The dataset has ‘chem2’ and the if statement is looking for ‘Chem2’…
Remember the SAS variables are not case-sensitive but the SAS DATA is…

Front 36

The following SAS program is submitted:


libname sasdata 'SAS-data-library';
data test;
set sasdata.chemists;
if jobcode = 'Chem2' then description = 'Senior Chemist';
else description = 'Unknown';
run;


A value for the variable JOBCODE is listed below:
JOBCODE
chem2

Which one of the following values does the variable DESCRIPTION contain?
A. Chem2
B. Unknown
C. Senior Chemist
D. ' ' (missing character value)

Back 36

Answer: B

The dataset has ‘chem2’ and the if statement is looking for ‘Chem2’…
Remember the SAS variables are not case-sensitive but the SAS DATA is…

Front 37

The contents of the raw data file EMPLOYEE are listed below:


--------10-------20-------30
Ruth 39 11 (39 starts at col-7 and 11 at col-10)
Jose 32 22
Sue 30 33
John 40 44



The following SAS program is submitted:


data test;
infile 'employee';
input employee_name $ 1-4;
if employee_name = 'Sue' then input age 7-8;
else input idnum 10-11;
run;


Which one of the following values does the variable AGE contain when the name of the employee is "Sue"?
A. 30
B. 33
C. 40
D. . (missing numeric value)

Back 37

C
The program accepts the name first and the performs the if operation. Since you are not having the @ sign to hold on to the record till for the if condition to be tested, the next input record is read the value of idnum is written as 22 for Ruth and the value of age for Sue is 40. Add the @ sign to hold the record at the input statement.

Front 38

The contents of the raw data file EMPLOYEE are listed below:


--------10-------20-------30
Ruth 39 11 (39 starts at col-7 and 11 at col-10)
Jose 32 22
Sue 30 33
John 40 44



The following SAS program is submitted:


data test;
infile 'employee';
input employee_name $ 1-4;
if employee_name = 'Sue' then input age 7-8;
else input idnum 10-11;
run;


Which one of the following values does the variable AGE contain when the name of the employee is "Sue"?
A. 30
B. 33
C. 40
D. . (missing numeric value)

Back 38

C
The program accepts the name first and the performs the if operation. Since you are not having the @ sign to hold on to the record till for the if condition to be tested, the next input record is read the value of idnum is written as 22 for Ruth and the value of age for Sue is 40. Add the @ sign to hold the record at the input statement.

Front 39

The SAS data set EMPLOYEE_INFO is listed below:

IDNumber Expenses
2542 100.00
3612 133.15
2198 234.34
2198 111.12

The following SAS program is submitted:

proc sort data = employee_info;
run;

Which one of the following BY statements completes the program and sorts the data sequentially by ascending expense values within each ascending IDNUMBER value?

A. by Expenses IDNumber;
B. by IDNumber Expenses;
C. by ascending (IDNumber Expenses);
D. by ascending IDNumber ascending Expenses;

Back 39

Answer is B.

"by ascending EXPENSES values within each ascending IDNUMBER value" means sorting IDNUMBER first.

Front 40

The SAS data set EMPLOYEE_INFO is listed below:

IDNumber Expenses
2542 100.00
3612 133.15
2198 234.34
2198 111.12

The following SAS program is submitted:

proc sort data = employee_info;
run;

Which one of the following BY statements completes the program and sorts the data sequentially by ascending expense values within each ascending IDNUMBER value?

A. by Expenses IDNumber;
B. by IDNumber Expenses;
C. by ascending (IDNumber Expenses);
D. by ascending IDNumber ascending Expenses;

Back 40

Answer is B.

"by ascending EXPENSES values within each ascending IDNUMBER value" means sorting IDNUMBER first.

Front 41

A SAS PRINT procedure output of the WORK.LEVELS data set is listed below:


Obs name level
------------------------
1 Frank 1
2 Joan 2
3 Sui 2
4 Jose 3
5 Burt 4
6 Kelly .
7 Juan 1


The following SAS program is submitted:

data work.expertise;
set work.levels;
if level = . then expertise = 'Unknown';
else if level = 1 then expertise = 'Low';
else if level = 2 or 3 then expertise = 'Medium';
else expertise = 'High';
run;


Which of the following values does the variable EXPERTISE contain?
A. Low, Medium, and High only
B. Low, Medium, and Unknown only
C. Low, Medium, High, and Unknown only
D. Low, Medium, High, Unknown, and ' ' (missing character

Back 41

Answer B
This is a tricky question..

Notice this statement.

else if level = 2 or 3 then expertise = 'Medium';
it should have been level in (2,3) or level=2 or level=3.

surprisingly SAS does not throw an error….
It tries to evaluate the expression “level = 2 or 3”… It’s weird but I went ahead and tried the code…Look at the values of the Condition and Level in the Log below

Front 42

A SAS PRINT procedure output of the WORK.LEVELS data set is listed below:


Obs name level
------------------------
1 Frank 1
2 Joan 2
3 Sui 2
4 Jose 3
5 Burt 4
6 Kelly .
7 Juan 1


The following SAS program is submitted:

data work.expertise;
set work.levels;
if level = . then expertise = 'Unknown';
else if level = 1 then expertise = 'Low';
else if level = 2 or 3 then expertise = 'Medium';
else expertise = 'High';
run;


Which of the following values does the variable EXPERTISE contain?
A. Low, Medium, and High only
B. Low, Medium, and Unknown only
C. Low, Medium, High, and Unknown only
D. Low, Medium, High, Unknown, and ' ' (missing character

Back 42

Answer B
This is a tricky question..

Notice this statement.

else if level = 2 or 3 then expertise = 'Medium';
it should have been level in (2,3) or level=2 or level=3.

surprisingly SAS does not throw an error….
It tries to evaluate the expression “level = 2 or 3”… It’s weird but I went ahead and tried the code…Look at the values of the Condition and Level in the Log below

Front 43

The contents of the raw data file SIZE are listed below:


--------10-------20-------30
72 95


The following SAS program is submitted:


data test;
infile 'size';
input @1 height 2. @4 weight 2;
run;


Which one of the following is the value of the variable WEIGHT in the output data set?
A. 2
B. 72
C. 95
D. . (missing numeric value)

Back 43

Answer: A

The start column for weight has been mentioned as 2… So SAS reads in 2 in the value of 72

Execute this and c for yourself…the answers are 2,0,1 for each observations..

Front 44

The contents of the raw data file SIZE are listed below:


--------10-------20-------30
72 95


The following SAS program is submitted:


data test;
infile 'size';
input @1 height 2. @4 weight 2;
run;


Which one of the following is the value of the variable WEIGHT in the output data set?
A. 2
B. 72
C. 95
D. . (missing numeric value)

Back 44

Answer: A

The start column for weight has been mentioned as 2… So SAS reads in 2 in the value of 72

Execute this and c for yourself…the answers are 2,0,1 for each observations..

Front 45

The following SAS program is submitted:

data work.test;
array agents{4} $ 12 sales1 - sales4;
run;

Which one of the following represents the variables that are contained in the output data set?

A. SALES1, SALES2, SALES3, SALES4
B. AGENTS1, AGENTS2, AGENTS3, AGENTS4
C. None, the DATA step fails because the ARRAY statement can reference only numeric data.
D. None, the DATA step fails because the ARRAY statement can reference only pre-existing variables.

Back 45

Answer: A

In this datastep the array is creating 4 character variable sales1-sales

Front 46

The following SAS program is submitted:

data work.test;
array agents{4} $ 12 sales1 - sales4;
run;

Which one of the following represents the variables that are contained in the output data set?

A. SALES1, SALES2, SALES3, SALES4
B. AGENTS1, AGENTS2, AGENTS3, AGENTS4
C. None, the DATA step fails because the ARRAY statement can reference only numeric data.
D. None, the DATA step fails because the ARRAY statement can reference only pre-existing variables.

Back 46

Answer: A

In this datastep the array is creating 4 character variable sales1-sales

Front 47

The following SAS program is submitted:

data stats;
set revenue;
array weekly{5} mon tue wed thu fri;

total = weekly{i} * .25;
output;
end;
run;

Which one of the following DO statements completes the program and processes the elements of the WEEKLY array?

A. do i = 1 to 5;
B. do weekly{i} = 1 to 5;
C. do i = mon tue wed thu fri;
D. A DO loop cannot be used because the variables referenced do not end in a digit.

Back 47

Answer: A

In this datastep the array is creating 4 character variable sales1-sales

Front 48

The following SAS program is submitted:

data stats;
set revenue;
array weekly{5} mon tue wed thu fri;

total = weekly{i} * .25;
output;
end;
run;

Which one of the following DO statements completes the program and processes the elements of the WEEKLY array?

A. do i = 1 to 5;
B. do weekly{i} = 1 to 5;
C. do i = mon tue wed thu fri;
D. A DO loop cannot be used because the variables referenced do not end in a digit.

Back 48

Answer: A

In this datastep the array is creating 4 character variable sales1-sales

Front 49

The following SAS program is submitted:


data work.totalsales (keep = monthsales{12} );
set work.monthlysales (keep = year product sales);
array monthsales {12} ;
do i=1 to 12;
monthsales{i} = sales;
end;
run;


The data set named WORK.MONTHLYSALES has one observation per month for each of five years for a total of 60 observations.


Which one of the following is the result of the above program?
A. The program fails execution due to data errors.
B. The program fails execution due to syntax errors.
C. The program executes with warnings and creates the WORK.TOTALSALES data set.
D. The program executes without errors or warnings and creates the WORK.TOTALSALES data set.

Back 49

Answer: B

monthsales {12} is a wrong way to represent in the keep option…it should be monthsales1-monthsales12.
data work.totalsales (keep = monthsales{12} );

Front 50

The following SAS program is submitted:


data work.totalsales (keep = monthsales{12} );
set work.monthlysales (keep = year product sales);
array monthsales {12} ;
do i=1 to 12;
monthsales{i} = sales;
end;
run;


The data set named WORK.MONTHLYSALES has one observation per month for each of five years for a total of 60 observations.


Which one of the following is the result of the above program?
A. The program fails execution due to data errors.
B. The program fails execution due to syntax errors.
C. The program executes with warnings and creates the WORK.TOTALSALES data set.
D. The program executes without errors or warnings and creates the WORK.TOTALSALES data set.

Back 50

Answer: B

monthsales {12} is a wrong way to represent in the keep option…it should be monthsales1-monthsales12.
data work.totalsales (keep = monthsales{12} );

Front 51

The contents of the raw data file AMOUNT are listed below:


--------10-------20-------30
$1,234

The following SAS program is submitted:


data test;
infile 'amount';
input @1 salary 6.;
if _error_ then description = 'Problems';
else description = 'No Problems';
run;

Which one of the following is the value of the DESCRIPTION variable?

A. Problems
B. No Problems
C. ' ' (missing character value)
D. The value cannot be determined as the program fails to execute due to errors.

Back 51

Answer: A
The informat is not right 6. For $1,234 is not right….it should have been comma6.

Front 52

The contents of the raw data file AMOUNT are listed below:


--------10-------20-------30
$1,234

The following SAS program is submitted:


data test;
infile 'amount';
input @1 salary 6.;
if _error_ then description = 'Problems';
else description = 'No Problems';
run;

Which one of the following is the value of the DESCRIPTION variable?

A. Problems
B. No Problems
C. ' ' (missing character value)
D. The value cannot be determined as the program fails to execute due to errors.

Back 52

Answer: A
The informat is not right 6. For $1,234 is not right….it should have been comma6.

Front 53

A raw data file is listed below:

--------10-------20-------30
John McCloskey 35 71
June Rosesette 10 43
Tineke Jones 9 37

The following SAS program is submitted using the raw data file as input:

data work.homework;
infile 'file-specification';
input name $ age height;
if age LE 10;
run;

How many observations will the WORK.HOMEWORK data set contain?
A. 0
B. 2
C. 3
D. No data set is created as the program fails to execute due to errors.

Back 53

Answer: C
This is a tricky question…
The values for name have embedded blanks and also no length statement…so the values assigned for age is . (missing) for all obs. And also . (missing) is always le 10. Therefore the output dataset has 3 obs.

Front 54

A raw data file is listed below:

--------10-------20-------30
John McCloskey 35 71
June Rosesette 10 43
Tineke Jones 9 37

The following SAS program is submitted using the raw data file as input:

data work.homework;
infile 'file-specification';
input name $ age height;
if age LE 10;
run;

How many observations will the WORK.HOMEWORK data set contain?
A. 0
B. 2
C. 3
D. No data set is created as the program fails to execute due to errors.

Back 54

Answer: C
This is a tricky question…
The values for name have embedded blanks and also no length statement…so the values assigned for age is . (missing) for all obs. And also . (missing) is always le 10. Therefore the output dataset has 3 obs.

Front 55

hich one of the following statements is true regarding the SAS automatic _ERROR_ variable?


A. The _ERROR_ variable contains the values 'ON' or 'OFF'.
B. The _ERROR_ variable contains the values 'TRUE' or 'FALSE'.
C. The _ERROR_ variable is automatically stored in the resulting SAS data set.
D. The _ERROR_ variable can be used in expressions or calculations in the DATA step.

Back 55

Answer: D
The valid values of _ERROR_ is 0 or 1. This value can be used in expressions or calculations in the DATA step.

Front 56

hich one of the following statements is true regarding the SAS automatic _ERROR_ variable?


A. The _ERROR_ variable contains the values 'ON' or 'OFF'.
B. The _ERROR_ variable contains the values 'TRUE' or 'FALSE'.
C. The _ERROR_ variable is automatically stored in the resulting SAS data set.
D. The _ERROR_ variable can be used in expressions or calculations in the DATA step.

Back 56

Answer: D
The valid values of _ERROR_ is 0 or 1. This value can be used in expressions or calculations in the DATA step.

Front 57

The following SAS program is submitted:


data work.totalsales (keep = monthsales{12} );
set work.monthlysales (keep = year product sales);
array monthsales {12} ;
do i=1 to 12;
monthsales{i} = sales;
end;
run;


The data set named WORK.MONTHLYSALES has one observation per month for each of five years for a total of 60 observations.


Which one of the following is the result of the above program?
A. The program fails execution due to data errors.
B. The program fails execution due to syntax errors.
C. The program executes with warnings and creates the WORK.TOTALSALES data set.
D. The program executes without errors or warnings and creates the WORK.TOTALSALES data set.

Back 57

Answer: B

monthsales {12} is a wrong way to represent in the keep option…it should be monthsales1-monthsales12.
data work.totalsales (keep = monthsales{12} );

Front 58

The following SAS program is submitted:


data work.totalsales (keep = monthsales{12} );
set work.monthlysales (keep = year product sales);
array monthsales {12} ;
do i=1 to 12;
monthsales{i} = sales;
end;
run;


The data set named WORK.MONTHLYSALES has one observation per month for each of five years for a total of 60 observations.


Which one of the following is the result of the above program?
A. The program fails execution due to data errors.
B. The program fails execution due to syntax errors.
C. The program executes with warnings and creates the WORK.TOTALSALES data set.
D. The program executes without errors or warnings and creates the WORK.TOTALSALES data set.

Back 58

Answer: B

monthsales {12} is a wrong way to represent in the keep option…it should be monthsales1-monthsales12.
data work.totalsales (keep = monthsales{12} );