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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?

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