SAS base 考试必备 70真题（附答案）

1.The following SAS program is submitted:

data WORK.TOTAL; set WORK.SALARY; by Department Gender;

if First.<_insert_code_> then Payroll=0; Payroll+Wagerate;

if Last.<_insert_code_>; run;

The SAS data set WORK.SALARY is currently ordered by Gender within Department.

Which inserted code will accumulate subtotals for each Gender within Department? A. Gender

B. Department

C. Gender Department D. Department Gender

Answer: A

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2.Given the following raw data records in TEXTFILE.TXT:

----|----10---|----20---|----30 John,FEB,13,25,14,27,Final

John,MAR,26,17,29,11,23,Current Tina,FEB,15,18,12,13,Final

Tina,MAR,29,14,19,27,20,Current

The following output is desired:

Obs Name Month Status Week1 Week2 Week3 Week4 Week5

1 John FEB Final $13 $25 $14 $27 . 2 John MAR Current $26 $17 $29 $11 $23 3 Tina FEB Final $15 $18 $12 $13 . 4 Tina MAR Current $29 $14 $19 $27 $20

Which SAS program correctly produces the desired output?

A.

data WORK.NUMBERS;

length Name $ 4 Month $ 3 Status $ 7; infile 'TEXTFILE.TXT' dsd;

input Name $ Month $;

if Month='FEB' then input Week1 Week2 Week3 Week4 Status $;

else if Month='MAR' then input Week1 Week2 Week3 Week4 Week5 Status $; format Week1-Week5 dollar6.; run;

proc print data=WORK.NUMBERS; run;

B.

data WORK.NUMBERS;

length Name $ 4 Month $ 3 Status $ 7; infile 'TEXTFILE.TXT' dlm=',' missover; input Name $ Month $;

if Month='FEB' then input Week1 Week2 Week3 Week4 Status $;

else if Month='MAR' then input Week1 Week2 Week3 Week4 Week5 Status $; format Week1-Week5 dollar6.; run;

proc print data=WORK.NUMBERS; run;

C.

data WORK.NUMBERS;

length Name $ 4 Month $ 3 Status $ 7; infile 'TEXTFILE.TXT' dlm=','; input Name $ Month $ @;

if Month='FEB' then input Week1 Week2 Week3 Week4 Status $;

else if Month='MAR' then input Week1 Week2 Week3 Week4 Week5 Status $; format Week1-Week5 dollar6.; run;

proc print data=WORK.NUMBERS; run;

D.

data WORK.NUMBERS;

length Name $ 4 Month $ 3 Status $ 7; infile 'TEXTFILE.TXT' dsd @; input Name $ Month $;

if Month='FEB' then input Week1 Week2 Week3 Week4 Status $;

else if Month='MAR' then input Week1 Week2 Week3 Week4 Week5 Status $; format Week1-Week5 dollar6.; run;

proc print data=WORK.NUMBERS; run;

Answer: C

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3.The Excel workbook REGIONS.XLS contains the following four worksheets: EAST WEST NORTH SOUTH

The following program is submitted:

libname MYXLS 'regions.xls';

Which PROC PRINT step correctly displays the NORTH worksheet? A. proc print data=MYXLS.NORTH;run; B. proc print data=MYXLS.NORTH$;run; C. proc print data=MYXLS.'NORTH'e;run; D. proc print data=MYXLS.'NORTH$'n;run;

Answer: D

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4.The following SAS program is submitted:

data WORK.DATE_INFO; Day=\ Yr=1960 ;

X=mdy(Day,01,Yr) ; run;

What is the value of the variable X? A. the numeric value 0

B. the character value \ C. a missing value due to syntax errors

D. the step will not compile because of the character argument in the mdy function.

Answer: A

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5.Which statement specifies that records 1 through 10 are to be read from the raw data file customer.txt?

A. infile 'customer.txt' 1-10; B. input 'customer.txt' stop@10; C. infile 'customer.txt' obs=10; D. input 'customer.txt' stop=10;

Answer: C

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6.After a SAS program is submitted, the following is written to the SAS log:

101 data WORK.JANUARY;

102 set WORK.ALLYEAR(keep=product month num_Sold Cost); 103 if Month='Jan' then output WORK.JANUARY; 104 Sales=Cost * Num_Sold; 105 keep=Product Sales; ----- 22

ERROR 22-322: Syntax error, expecting one of the following: !,!!, &, *, **, +, -, , <=, <>, =, >, >=,

AND, EQ, GE, GT, IN, LE, LT, MAX, MIN, NE, NG, NL,NOTIN, OR, ^=, |, ||, ~=. 106 run;

What changes should be made to the KEEP statement to correct the errors in the LOG?

A. keep=(Product Sales); B. keep Product, Sales; C. keep=Product, Sales; D. keep Product Sales;

Answer: D

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7.Which of the following choices is an unacceptable ODS destination for producing output that can be viewed in Microsoft Excel?

A. MSOFFICE2K B. EXCELXP C. CSVALL D. WINXP

Answer: D

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8.The SAS data set named WORK.SALARY contains 10 observations for each department,and is currently ordered by Department. The following SAS program is submitted:

data WORK.TOTAL;

set WORK.SALARY(keep=Department MonthlyWageRate); by Department;

if First.Department=1 then Payroll=0; Payroll+(MonthlyWageRate*12); if Last.Department=1; run;

Which statement is true?

A. The by statement in the DATA step causes a syntax error.

B. The statement Payroll+(MonthlyWageRate*12); in the data step causes a syntax error.

C. The values of the variable Payroll represent the monthly total for each department in the WORK.SALARY data set.

D. The values of the variable Payroll represent a monthly total for all values of WAGERATE in the WORK.SALARY data set.

Answer: C

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10.The following SAS program is submitted:

data WORK.RETAIL; Cost='$20,000';

Discount=.10*Cost; run;

What is the result?

A. The value of the variable Discount in the output data set is 2000.No messages are written to the SAS log.

B. The value of the variable Discount in the output data set is 2000.A note that conversion has taken place is written to the SAS log.

C. The value of the variable Discount in the output data set is missing. A note in the SAS log refers to invalid numeric data.

D. The variable Discount in the output data set is set to zero.No messages are written to the SAS log.

Answer: C 因为有一个$符号 -------------------------------------

11.Given the existing SAS program:

proc format;

value agegrp

low-12 ='Pre-Teen' 13-high = 'Teen'; run;

proc means data=SASHELP.CLASS; var Height; class Sex Age; format Age agegrp.; run;

Which statement in the proc means step needs to be modified or added to generate the following results:

Analysis Variable : Height

N

Sex Age Obs Minimum Maximum Mean

------------------------------------------------------------------

F Pre-Teen 3 51.3 59.8 55.8

Teen 6 56.5 66.5 63.0

M Pre-Teen 4 57.3 64.8 59.7

Teen 6 62.5 72.0 66.8 --------------------------------------------------------------------

A. var Height / nobs min max mean maxdec=1; B. proc means data=SASHELP.CLASS maxdec=1 ;

C. proc means data=SASHELP.CLASS min max mean maxdec=1; D. output nobs min max mean maxdec=1;

Answer: C

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12.The Excel workbook QTR1.XLS contains the following three worksheets: JAN FEB MAR

Which statement correctly assigns a library reference to the Excel workbook? A. libname qtrdata 'qtr1.xls';

B. libname 'qtr1.xls' sheets=3; C. libname jan feb mar 'qtr1.xls';

D. libname mydata 'qtr1.xls' WORK.heets=(jan,feb,mar);

Answer: A

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13.The following SAS program is submitted:

data WORK.TEST;

set WORK.MEASLES(keep=Janpt Febpt Marpt); array Diff{3} Difcount1-Difcount3; array Patients{3} Janpt Febpt Marpt; run;

What new variables are created?

A. Difcount1, Difcount2 and Difcount3 B. Diff1, Diff2 and Diff3 C. Janpt, Febpt, and Marpt

D. Patients1, Patients2 and Patients3

Answer: A

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14.Which of the following programs correctly invokes the DATA Step Debugger: A.

data WORK.TEST debug; set WORK.PILOTS;

State=scan(cityState,2,' ');

if State='NE' then description='Central'; run;

B.

data WORK.TEST debugger; set WORK.PILOTS;

State=scan(cityState,2,' ');

if State='NE' then description='Central'; run;

C.

data WORK.TEST / debug; set WORK.PILOTS;

State=scan(cityState,2,' ');

if State='NE' then description='Central';

run;

D.

data WORK.TEST / debugger; set WORK.PILOTS;

State=scan(cityState,2,' ');

if State='NE' then description='Central'; run;

Answer: c

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15.Which statement is true concerning the SAS automatic variable _ERROR_?

A. It cannot be used in an if/then condition.

B. It cannot be used in an assignment statement.

C. It can be put into a keep statement or keep= option. D. It is automatically dropped.

Answer: D

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16.The following SAS program is submitted:

data WORK.DATE_INFO; X='04jul2005'd; DayOfMonth=day(x); MonthOfYear=month(x); Year=year(x); run;

What types of variables are DayOfMonth, MonthOfYear, and Year?

A. DayOfMonth, Year, and MonthOfYear are character. B. DayOfMonth, Year, and MonthOfYear are numeric.

C. DayOfMonth and Year are numeric. MonthOfYear is character. D. DayOfMonth, Year, and MonthOfYear are date values.

Answer: B

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17.Given the following data step:

data WORK.GEO;

infile datalines; input City $20.; if City='Tulsa' then State='OK';

Region='Central';

if City='Los Angeles' then State='CA';

Region='Western'; datalines; Tulsa

Los Angeles Bangor ; run;

After data step execution, what will data set WORK.GEO contain?

A.

City State Region ----------- ----- -------

Tulsa OK Western Los Angeles CA Western Bangor Western

B.

City State Region ----------- ----- -------

Tulsa OK Western Los Angeles CA Western Bangor

C.

City State Region ----------- ----- -------

Tulsa OK Central Los Angeles CA Western Bangor Western

D.

City State Region ----------- ----- -------

Tulsa OK Central Los CA Western

Bangor

Answer: A

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18.Which statement describes a characteristic of the SAS automatic variable _ERROR_?

A. The _ERROR_ variable maintains a count of the number of data errors in a DATA step.

B. The _ERROR_ variable is added to the program data vector and becomes part of the data set being created.

C. The _ERROR_ variable can be used in expressions in the DATA step. D. The _ERROR_ variable contains the number of the observation that caused the data error.

Answer: C

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19.The SAS data set WORK.ONE contains a numeric variable named Num and a character variable named Char:

WORK.ONE

Num Char --- ---- 1 23 3 23 1 77

The following SAS program is submitted:

proc print data=WORK.ONE; where Num='1'; run;

What is output?

A. Num Char --- ---- 1 23

B.

Num Char --- ---- 1 23 1 77

C.

Num Char --- ---- 1 23 3 23 1 77

D. No output is generated.

Answer: D

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20. The data set WORK.REALESTATE has the variable LocalFee with a format of 9. and a variable CountryFee with a format of 7.;

The following SAS program is submitted:

data WORK.FEE_STRUCTURE;

format LocalFee CountryFee percent7.2; set WORK.REALESTAT; LocalFee=LocalFee/100;

CountryFee=CountryFee/100; run;

What are the formats of the variables LOCALFEE and COUNTRYFEE in the output dataset?

A. LocalFee has format of 9. and CountryFee has a format of 7.

B. LocalFee has format of 9. and CountryFee has a format of percent7.2 C. Both LocalFee and CountryFee have a format of percent7.2 D. The data step fails execution; there is no format for LocalFee.

Answer: C

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21.Given the SAS data set WORK.PRODUCTS:

ProdId Price ProductType Sales Returns

------ ----- ----------- ----- -------

K12S 95.50 OUTDOOR 15 2 B132S 2.99 CLOTHING 300 10 R18KY2 51.99 EQUIPMENT 25 5 3KL8BY 6.39 OUTDOOR 125 15 DY65DW 5.60 OUTDOOR 45 5 DGTY23 34.55 EQUIPMENT 67 2

The following SAS program is submitted:

data WORK.OUTDOOR WORK.CLOTH WORK.EQUIP; set WORK.PRODUCTS; if Sales GT 30;

if ProductType EQ 'OUTDOOR' then output WORK.OUTDOOR; else if ProductType EQ 'CLOTHING' then output WORK.CLOTH; else if ProductType EQ 'EQUIPMENT' then output WORK.EQUIP; run;

How many observations does the WORK.OUTDOOR data set contain? A. 1 B. 2 C. 3 D. 6

Answer: B

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22.Which step displays a listing of all the data sets in the WORK library? A. proc contents lib=WORK run; B. proc contents lib=WORK.all;run; C. proc contents data=WORK._all_; run; D. proc contents data=WORK _ALL_; run;

Answer: c

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23.Which is a valid LIBNAME statement?

A. libname \

B. sasdata libname \ C. libname sasdata \ D. libname sasdata sas \

Answer: C

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24.Given the following raw data records:

----|----10---|----20---|----30 Susan*12/29/1970*10 Michael**6

The following output is desired:

Obs employee bdate years 1 Susan 4015 10 2 Michael . 6

Which SAS program correctly reads in the raw data? A.

data employees;

infile 'file specification' dlm='*';

input employee $ bdate : mmddyy10. years; run;

B.

data employees;

infile 'file specification' dsd='*';

input employee $ bdate mmddyy10. years; run;

C.

data employees;

infile 'file specification' dlm dsd;

input employee $ bdate mmddyy10. years; run;

D.

data employees;

infile 'file specification' dlm='*' dsd;

input employee $ bdate : mmddyy10. years; run;

Answer: D

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25.Given the following code:

proc print data=SASHELP.CLASS(firstobs=5 obs=15);

where Sex='M'; run;

How many observations will be displayed?

A. 11 B. 15

C. 10 or fewer D. 11 or fewer

Answer: D

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26.Which step sorts the observations of a permanent SAS data set by two variables and stores the sorted observations in a temporary SAS data set?

A.

proc sort out=EMPLOYEES data=EMPSORT; by Lname and Fname; run;

B.

proc sort data=SASUSER.EMPLOYEES out=EMPSORT; by Lname Fname; run;

C.

proc sort out=SASUSER.EMPLOYEES data=WORK.EMPSORT; by Lname Fname; run;

D.

proc sort data=SASUSER.EMPLOYEES out=SASUSER.EMPSORT; by Lname and Fname; run;

Answer: B

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27.Given the SAS data set WORK.TEMPS:

Day Month Temp --- ----- ----

1 May 75 15 May 70 15 June 80 3 June 76 2 July 85 14 July 89

The following program is submitted:

proc sort data=WORK.TEMPS; by descending Month Day; run;

proc print data=WORK.TEMPS; run;

Which output is correct?

A.

Obs Day Month Temp --- --- ----- ----

1 2 July 85 2 14 July 89 3 3 June 76 4 15 June 80 5 1 May 75 6 15 May 7

B.

Obs Day Month Temp --- --- ----- ----

1 1 May 75 2 2 July 85 3 3 June 76 4 14 July 89 5 15 May 70 6 15 June 80

C.

Obs Day Month Temp --- --- ----- ----

1 1 May 75 2 15 May 70

3 3 June 76 4 15 June 80 5 2 July 85 6 14 July 89

D.

Obs Day Month Temp --- --- ----- ----

1 15 May 70 2 1 May 75 3 15 June 80 4 3 June 76 5 14 July 89 6 2 July 85

Answer: C

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28.Given the SAS data set WORK.P2000:

Location Pop2000 -------- -------

Alaska 626931 Delaware 783595 Vermont 608826 Wyoming 493782

and the SAS data set WORK.P2008:

State Pop2008 -------- -------

Alaska 686293 Delaware 873092 Wyoming 532668

The following output is desired:

Obs State Pop2000 Pop2008 1 Alaska 626931 686293 2 Delaware 783595 873092 3 Wyoming 493782 532668

Which SAS program correctly combines the data?

Difference 59362 89497 38886

A. data compare;

merge WORK.P2000(in=_a Location=State) WORK.P2008(in=_b); by State; if _a and _b;

Difference=Pop2008-Pop2000; run;

B.

data compare;

merge WORK.P2000(rename=(Location=State)) WORK.P2008; by State; if _a and _b;

Difference=Pop2008-Pop2000; run;

C.

data compare;

merge WORK.P2000(in=_a rename=(Location=State)) WORK.P2008(in=_b); by State; if _a and _b;

Difference=Pop2008-Pop2000; run;

D.

data compare;

merge WORK.P2000(in=_a) (rename=(Location=State)) WORK.P2008(in=_b); by State; if _a and _b;

Difference=Pop2008-Pop2000; run;

Answer: C

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29.The following SAS program is sumbitted:

data WORK.INFO;

infile 'DATAFILE.TXT';

input @1 Company $20. @25 State $2. @; if State=' ' then input @30 Year; else input @30 City Year; input NumEmployees; run;

How many raw data records are read during each iteration of the DATA step?

A. 1 B. 2 C. 3 D. 4

Answer: A

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30.You're attempting to read a raw data file and you see the following messages displayed in the SAS Log:

NOTE: Invalid data for Salary in line 4 15-23.

RULE: ----+----1----+----2----+----3----+----4----+----5-- 4 120104 F 46#30 11MAY1954 33

Employee_Id=120104 employee_gender=F Salary=. birth_date=-2061 _ERROR_=1 _N_=4

NOTE: 20 records were read from the infile 'c:\\employees.dat'. The minimum record length was 33. The maximum record length was 33.

NOTE: The data set WORK.EMPLOYEES has 20 observations and 4 variables.

What does it mean?

A. A compiler error, triggered by an invalid character for the variable Salary. B. An execution error, triggered by an invalid character for the variable Salary. C. The 1st of potentially many errors, this one occurring on the 4th observation. D. An error on the INPUT statement specification for reading the variable Salary.

Answer: B

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31. Given the following raw data records in DATAFILE.TXT:

----|----10---|----20---|----30

Kim,Basketball,Golf,Tennis Bill,Football

Tracy,Soccer,Track

The following program is submitted:

data WORK.SPORTS_INFO;

length Fname Sport1-Sport3 $ 10; infile 'DATAFILE.TXT' dlm=',';

input Fname $ Sport1 $ Sport2 $ Sport3 $; run;

proc print data=WORK.SPORTS_INFO; run;

Which output is correct based on the submitted program?

A.

Obs Fname Sport1 Sport2 Sport3

1 Kim Basketball Golf Tennis 2 Bill Football

3 Tracy Soccer Track

B.

Obs Fname Sport1 Sport2 Sport3

1 Kim Basketball Golf Tennis 2 Bill Football Football Football 3 Tracy Soccer Track Track

C.

Obs Fname Sport1 Sport2 Sport3

1 Kim Basketball Golf Tennis 2 Bill Football Tracy Soccer

D.

Obs Fname Sport1 Sport2 Sport3

1 Kim Basketball Golf Tennis 2 Bill Football

Answer: C

------------------------------------------------------------------ 32.Consider the following data step:

data WORK.NEW; set WORK.OLD; Count+1; run;

The variable Count is created using a sum statement. Which statement regarding this variable is true?

A. It is assigned a value 0 when the data step begins execution.

B. It is assigned a value of missing when the data step begins execution. C. It is assigned a value 0 at compile time.

D. It is assigned a value of missing at compile time.

Answer: C

------------------------------------------------------------------

33.The following SAS program is submitted:

data WORK.TEST; set WORK.PILOTS;

if Jobcode='Pilot2' then Description='Senior Pilot'; else Description='Unknown'; run;

The value for the variable Jobcode is: PILOT2.What is the value of the variable Description? A. PILOT2 B. Unknown C. Senior Pilot

D. ' ' (missing character value)

Answer: B

------------------------------------------------------------------

34.A user-defined format has been created using the FORMAT procedure.How is it stored?

A. in a SAS catalog

B. in a memory resident lookup table C. in a SAS dataset in the WORK library

D. in a SAS dataset in a permanent SAS data library

Answer: A

run;

What value will SAS assign to Pos?

A. 0 B. 1 C. 2 D. 12

Answer: D

------------------------------------------------------------------ 43.Given the SAS data set WORK.ORDERS:

WORK.ORDERS

order_id customer shipped -------- ------------ ---------

9341 Josh Martin 02FEB2009 9874 Rachel Lords 14MAR2009 10233 Takashi Sato 07JUL2009

The variable order_id is numeric; customer is character; and shipped is numeric, contains a SAS date value, and is shown with the DATE9. format.

A programmer would like to create a new variable, ship_note, that shows a character value with the order_id,shipped date, and customer name.

For example, given the first observation ship_note would have the value \shipped on 02FEB2009 to Josh Martin\

Which of the following statement will correctly create the value and assign it to ship_note?

A. ship_note=catx(' ','Order',order_id,'shipped on',input(shipped,date9.),'to',customer);

B. ship_note=catx(' ','Order',order_id,'shipped on',char(shipped,date9.),'to',customer);

C. ship_note=catx(' ','Order',order_id,'shipped on',transwrd(shipped,date9.),'to',customer);

D. ship_note=catx(' ','Order',order_id,'shipped on',put(shipped,date9.),'to',customer);

Answer: D

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44.The following SAS program is submitted:

data ONE TWO SASUSER.TWO set SASUSER.ONE; run;

Assuming that SASUSER.ONE exists, how many temporary and permanent SAS data sets are created?

A. 2 temporary and 1 permanent SAS data sets are created B. 3 temporary and 2 permanent SAS data sets are created C. 2 temporary and 2 permanent SAS data sets are created D. there is an error and no new data sets are created

Answer: D

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45.The following SAS program is submitted:

ods csvall file='c:\\test.cvs'; proc print data=WORK.ONE; var Name Score Grade; by IdNumber; run;

ods csvall close;

What is produced as output?

A. A file named test.cvs that can only be opened in Excel.

B. A text file named test.cvs that can be opened in Excel or in any text editor. C. A text file named test.cvs that can only be opened in a text editor. D. A file named test.cvs that can only be opened by SAS.

Answer: C

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46.Given the SAS data set WORK.ONE:

Obs Revenue2008 Revenue2009 Revenue2010 --- ----------- ----------- -----------

1 1.2 1.6 2.0

The following SAS program is submitted:

data WORK.TWO; set WORK.ONE; Total=mean(of Rev:); run;

What value will SAS assign to Total?

A. 3 B. 1.6 C. 4.8

D. The program fails to execute due to errors.

Answer: B

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47.The following output is created by the FREQUENCY procedure:

The FREQ Procedure

Table of region by product

region product

Frequency| Percent | Row Pct |

Col Pct |corn |cotton |oranges | Total ---------+--------+--------+--------+

EAST | 2 | 1 | 1 | 4 | 22.22 | 11.11 | 11.11 | 44.44 | 50.00 | 25.00 | 25.00 | | 50.00 | 33.33 | 50.00 | ---------+--------+--------+--------+

SOUTH | 2 | 2 | 1 | 5 | 22.22 | 22.22 | 11.11 | 55.56 | 40.00 | 40.00 | 20.00 | | 50.00 | 66.67 | 50.00 | ---------+--------+--------+--------+

Total 4 3 2 9 44.44 33.33 22.22 100.00

Which TABLES option(s) would be used to eliminate the row and column counts and just see the frequencies and percents?

A. norowcount nocolcount B. freq percent C. norow nocol D. nocounts

Answer: C

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48.The following SAS program is submitted:

data WORK.TEST; drop City;

infile datalines; input

Name $ 1-14 / Address $ 1-14 / City $ 1-12 ;

if City='New York ' then input @1 State $2.; else input; datalines; Joe Conley 123 Main St. Janesville WI

Jane Ngyuen 555 Alpha Ave. New York NY

Jennifer Jason 666 Mt. Diablo Eureka CA ;

What will the data set WORK.TEST contain?

A.

Name Address State -------------- ---------------- ------ Joe Conley 123 Main St.

Jane Ngyuen 555 Alpha Ave. NY Jennifer Jason 666 Mt. Diablo

B.

Name Address City State -------------- ---------------- ----------- ------ Joe Conley 123 Main St. Janesville

Jane Ngyuen 555 Alpha Ave. New York NY Jennifer Jason 666 Mt. Diablo Eureka

C.

Name Address State -------------- ---------------- ------

Jane Ngyuen 555 Alpha Ave. NY

D. O observations,there is a syntax error in the data step.

Answer: A

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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; drop i; run;

The program fails execution due to syntax errors. What is the cause of the syntax error?

A. An array cannot be referenced on a keep= data set option. B. The keep= data set option should be (keep=MonthSales*).

C. The keep= data set option should be the statement KEEP MonthSales{12}. D. The variable MonthSales does not exist.

Answer: A

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50.Given the SAS data set WORK.ONE:

Id Char1 --- ----- 111 A

158 B 329 C 644 D

and the SAS data set WORK.TWO:

Id Char2 --- ----- 111 E 538 F 644 G

The following program is submitted:

data WORK.BOTH;

set WORK.ONE WORK.TWO; by Id; run;

What is the first observation in SAS data set WORK.BOTH?

A. Id Char1 Char2 --- ----- ----- 111 A

B.

Id Char1 Char2 --- ----- ----- 111 E

C.

Id Char1 Char2 --- ----- ----- 111 A E

D.

Id Char1 Char2 --- ----- ----- 644 D G

Answer: A

------------------------------------------------------------------ 51.The following program is submitted:

proc contents data=_all_; run;

Which statement best describes the output from the submitted program?

A. The output contains only a list of the SAS data sets that are contained in the WORK library.

B. The output displays only the contents of the SAS data sets that are contained in the WORK library.

C. The output displays only the variables in the SAS data sets that are contained in the WORK library.

D. The output contains a list of the SAS data sets that are contained in the WORK library and displays the contents of those data sets.

Answer: D

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52.Given the SAS data set WORK.EMP_NAME:

Name EmpID ---- ----- Jill 1864 Jack 2121 Joan 4698 John 5463

Given the SAS data set WORK.EMP_DEPT:

EmpID Department ----- ----------

2121 Accounting 3567 Finance 4698 Marketing 5463 Accounting

The following program is submitted:

data WORK.ALL;

merge WORK.EMP_NAME(in=Emp_N) WORK.EMP_DEPT(in=Emp_D); by Empid;

if (Emp_N and not Emp_D) or (Emp_D and not Emp_N); run;

How many observations are in data set WORK.ALL after submitting the program?

A. 1 B. 2 C. 3 D. 5

Answer: B

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53.The following SAS program is submitted:

data WORK.TOTAL_SALARY; retain Total;

set WORK.SALARY; by Department; if First.Department then Total=0;

Total=sum(Total, Wagerate); if Last.Total; run;

What is the initial value of the variable Total?

A. 0

B. Missing

C. The value of the first observations Wagerate

D. Cannot be determined from the information given

Answer: B

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54.Consider the following data step:

data WORK.TEST;

set SASHELP.CLASS(obs=5); retain City 'Beverly Hills'; State='California'; run;

The computed variables City and State have their values assigned using two different methods, a RETAIN statement and an Assignment statement. Which statement regarding this program is true?

A. The RETAIN statement is fine, but the value of City will be truncated to 8 bytes as the LENGTH statement has been omitted.

B. Both the RETAIN and assignment statement are being used to initialize new variables and are equally efficient. Method used is a matter of programmer preference.

C. The assignment statement is fine, but the value of City will be truncated to 8 bytes as the LENGTH statement has been omitted.

D. City's value will be assigned one time, State's value 5 times.

Answer: D

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55.The following SAS program is submitted:

data WORK.DATE_INFO; X=\ run;

Variable X contains what value?

A. the numeric value 0

B. the character value \ C. the date value 01011960

D. the code contains a syntax error and does not execute.

Answer: D 注意D前面有空格

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56.The following output is created by the FREQUENCY procedure:

The FREQ Procedure

Table of region by product

region product

Frequency| Percent | Row Pct |

Col Pct |corn |cotton |oranges | Total ---------+--------+--------+--------+

EAST | 2 | 1 | 1 | 4 | 22.22 | 11.11 | 11.11 | 44.44

| 50.00 | 25.00 | 25.00 | | 50.00 | 33.33 | 50.00 | ---------+--------+--------+--------+

SOUTH | 2 | 2 | 1 | 5 | 22.22 | 22.22 | 11.11 | 55.56 | 40.00 | 40.00 | 20.00 | | 50.00 | 66.67 | 50.00 | ---------+--------+--------+--------+

Total 4 3 2 9 44.44 33.33 22.22 100.00

Which TABLES statement was used to completed the following program that produced the output?

proc freq data=sales; <_insert_code_> run;

A. tables region product; B. tables region,product C. tables region/product; D. tables region*product;

Answer: D

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57.Given the SAS data set WORK.ONE:

N BeginDate - ---------

1 09JAN2010 2 12JAN2010

The following SAS program is submitted:

data WORK.TWO; set WORK.ONE;

Day=<_insert_code_>; format BeginDate date9.; run;

The data set WORK.TWO is created, where Day would be 1 for Sunday, 2 for Monday, 3 for Tuesday, ... :

WORK.TWO

N BeginDate Day - --------- ---

1 09JAN2010 1 2 12JAN2010 4

Which expression successfully completed the program and creates the variable Day?

A. day(BeginDate)

B. weekday(BeginDate) C. dayofweek(BeginDate) D. getday(BeginDate,today())

Answer: B

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58.The following program is submitted:

proc format; value salfmt.

0 -< 50000 = 'Less than 50K' 50000 - high = '50K or Greater';

options fmterr nodate pageno=1; title 'Employee Report';

proc print data=work.employees noobs; var fullname salary hiredate; format

salary salfmt. hiredate date9.; label

fullname='Name of Employee' salary='Annual Salary' hiredate='Date of Hire'; run;

Why does the program fail?

A. The PAGENO option is invalid in the OPTIONS statement. B. The RUN statement is missing after the FORMAT procedure. C. The format name contains a period in the VALUE statement. D. The LABEL option is missing from the PROC PRINT statement.

Answer: C

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59.Given the contents of the raw data file TYPECOLOR.DAT:

----+----10---+----20---+----30 daisyyellow

The following SAS program is submitted:

data FLOWERS;

infile 'TYPECOLOR.DAT' truncover; length

Type $ 5 Color $ 11; input

Type $ Color $; run;

What are the values of the variables Type and Color?

A. Type=daisy, Color=yellow B. Type=daisy, Color=w

C. Type=daisy, Color=daisyyellow D. Type=daisy, Color=

Answer: D

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60.Given the SAS data set WORK.PRODUCTS:

ProdId Price ProductType Sales Returns ------ ----- ----------- ----- -------

K12S 95.50 OUTDOOR 15 B132S 2.99 CLOTHING 300 R18KY2 51.99 EQUIPMENT 25 3KL8BY 6.39 OUTDOOR 125 DY65DW 5.60 OUTDOOR 45 DGTY23 34.55 EQUIPMENT 67

The following SAS program is submitted:

data WORK.REVENUE(drop=Sales Returns Price);

2 10 5 15 5 2 set WORK.PRODUCTS(keep=ProdId Price Sales Returns); Revenue=Price*(Sales-Returns); run;

How many variables does the WORK.REVENUE data set contain?

A. 2 B. 3 C. 4 D. 6

Answer: A

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61.Consider the data step:

data WORK.TEST;

infile 'c:\\class1.csv' dsd;

input Name $ Sex $ Age Height Weight;

if Age NE 16 and Age NE 15 then Group=1; else Group=2; run;

Which statement produces a functionally equivalent result for assigning Group a value?

A. if Age not in(15,16) then Group=1; else Group=2;

B. if (Age NE 16) or (Age NE 15) then Group=1; else Group=2; C. where Age not between 15 and 16 then Group=1; else Group=2; D. both A or C will work.

Answer: A

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62.The following SAS program is submitted:

<_insert_ods_code_>

proc means data=SASUSER.SHOES;

where Product in ('Sandal' , 'Slipper' , 'Boot'); run;

<_insert_ods_code_>

Which ODS statements, inserted in the two locations above, create a report stored in an html file?

A.

ods html open='sales.html'; ods html close;

B.

ods file='sales.html' / html; ods file close;

C.

ods html file='sales.html'; ods html close;

D.

ods file html='sales.html'; ods file close;

Answer: C

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63.The following SAS program is submitted:

data WORK.OUTDS; do until(Prod GT 6); Prod + 1; end; run;

What is the value of the variable Prod in the output data set?

A. . (missing) B. 6 C. 7

D. Undetermined, infinite loop.

Answer: C

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65.The following SAS program is submitted:

data WORK.ACCOUNTING; set WORK.DEPARTMENT; label Jobcode='Job Description'; run;

Which statement is true about the output dataset?

A. The label of the variable Jobcode is Job (only the first word).

B. The label of the variable Jobcode is Job Desc (only the first 8 characters). C. The label of the variable Jobcode is Job Description.

D. The program fails to execute due to errors. Labels must be defined in a PROC step.

Answer: C

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66.The following SAS program is submitted:

data WORK.SALES; do Year=1 to 5;

do Month=1 to 12; X + 1; end; end; run;

How many observations are written to the WORK.SALES data set?

A. 0 B. 1 C. 5 D. 60

Answer: B

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67.Consider the following data step:

data WORK.NEW;

set WORK.OLD(keep=X); if X < 10 then X=1;

else if X >= 10 AND X LT 20 then X=2; else X=3; run;

In filtering the values of the variable X in data set WORK.OLD, what new value would be assigned to X if its original value was a missing value?

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