1.

a) What is the name of the PROC that we've used to investigate how a variable is stored in SAS? Just put the name of the PROC as your answer and nothing else. For example, if the answer was the PROC PRINT procedure, you should just put PRINT as your answer.

b) When using a BY statement to obtain summaries for subgroups, what PROC must (almost) always be run first? Just put the name of the PROC as your answer and nothing else. For example, if the answer was the PROC PRINT procedure, you should just put PRINT as your answer.