SASInstitute A00-281 問題集

質問 1：
Which statement assigns the current date to the character variable CURRDT?
A. currdt="sysdate.";
B. currdt="&sysdate.";
C. currdt="#sysdate.";
D. currdt="%sysdate.";
正解：B

質問 2：
The following SAS program is submitted:

Which alternative program creates an equivalent BASE_BP data set?
A. data BASE_BP; set VS (keep=usubjid vsstresn); if vstestcd in('DIABP','SYSBP'); run;
B. data BASE_BP (keep=usubjid vsstresn vstestcd);
set VS (drop=vstestcd);
if vstestcd in('DIABP','SYSBP');
run;
C. proc sort data=VS (keep=usubjid vsstresn vstestcd)
out=BASE_BP (drop=vstestcd);
where vstestcd in('DIABP','SYSBP');
by usubjid;
run;
D. proc sort data=VS (keep=usubjid vsstresn vstestcd)
out=BASE_BP (drop=vstestcd);
by usubjid;
if vstestcd in('DIABP','SYSBP');
run;
正解：C

質問 3：
You want 90% confidence limits for a binomial proportion from a one-way table with PROC FREQ. Which option must you add to the TABLES statement?
A. BINOMIAL ALPHA=0.9
B. BINOMIAL ALPHA=0.1
C. BINOMIAL ALPHA=90
D. BINOMIAL
正解：B

質問 4：
Given the following data set: Which program was used to prepare the data for this PROC PRINT output?

A. proc sort data=one out=two;
by subjid;
run;
B. proc sort data=one out=two nodupkey;
by subjid trt;
run;
C. proc sort data=one out=two nodup;
by subjid;
run;
D. proc sort data=one out=two nodupkey;
by subjid;
run;
正解：D

質問 5：
The following SAS program is submitted:

How many data sets are created and how many observations are in the data set(s)?
A. 1 data set named PVALUES with 1 observation.
B. 2 data sets named PVALUES1 and PVALUES2 each with 2 observations
C. 2 data sets named PVALUES and PVALUES1 each with 1 observation.
D. 1 data set named PVALUES with 2 observations.
正解：C

質問 6：
Given the following output from the TTEST Procedure: Variable:

What is the t-test p-value?
A. 37.49
B. 0.3121
C. 0.2041
D. <.0001
正解：D