The following SAS program is submitted:
data work.passengers;
if OrigPassengers = . then'
OrigPassengers = 100;
TransPassengers = 100;
OrigPassengers = .;
TotalPassengers = sum (OrigPassengers, TransPassengers) +0;
run;
What is the value of the TOTALPASSENGERS variable in the output data set?

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 descending expense values within each descending IDNUMBER value?

The following SAS program is submitted:
data work.empsalary;
set work.people (in = inemp)
work.money (in = insal);
if insal and inemp;
run;
The SAS data set WORKPEOPLE has 5 observations, and the data set WORKMONEY has 7 observations.
How many observations will the data set WORK.EMPSALARY contain?

The following SAS program is submitted:
proc sort data = work.employee;
by descending fname;
proc sort data = work.salary;
by descending fname;
data work.empdata;
merge work.employee
work.salary;
by fname;
run;
Why does the program rail to execute?

The following SAS program is submitted:
data numrecords;
infile 'file specification';
input@1 patient $15. relative$ 16-26@;
if relative = 'children' then
input @54 diagnosis $15. @;
else if relative = 'parents' then
input @28 doctor $15. clinic $ 44-53
@54 diagnosis $15. @;
input age;
run;
How many raw data records are read during each iteration of the DATA step execution?