Yes, I think the purpose of this section was to explore data using the procedures mentioned in Lesson 3.1. The instructions for that particular Question 2 were very specific to using PROC UNIVARIATE and a visual scan through the data.
Now, that does not mean that it is the most efficient way to achieve this. For example, a quick browse through the PROC UNIVARIATE documentation would reveal some helpful additions to the code, like the NEXTOBS=1 option and the ID statement, which when combined, would get us closer to the answer in one step.
proc univariate data=pg1.np_summary nextrobs=1;
var Acres;
id parkname;
run;
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