Which of the following DATA steps will run without errors?
data a_1;
set sashelp.class;
bmi = weight / height ** 2;
if bmi >= 20;
run;
data a_2;
set sashelp.class;
bmi = weight / height ** 2;
where bmi < 20;
run;
Note: Assumed that the above code executed in a clean SAS session.