SAS Base Programming for SAS 9: A00-211

The following SAS program is submitted:

data combine; prefix='505'; middle='6465 `; end='09090'; ; run;

Which statement successfully completes the program so that TOTAL has a value of 505-6465-09090?

A. total = cat('-', prefix, middle, end);

B. total = catx('-', prefix, middle, end);

C. total = prefix !!'-'!! middle ``!!'-'!! end;

D. total = prefix!!'-'!! left(middle)!!'-'!! end;

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.

The following SAS program is submitted:

data WORK.DATE_INFO;

Day="01" ;

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 "01011960"

C. a missing value due to syntax errors

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