Question 56: You have below program

 data course2017_1;

 set  course2017 end=last;

 if last;

 run;

 Now during the compilation phase, all the variables will be created in the program data vector, and all the observation will be set to

1. Blank values
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 Correct Answer : 4 Exp : As soon as compilation phase finished descriptor portion of the dataset will be generated. But no observations will be created.

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