Group Processing - Question 2

proc sort data=parts.widgets out=work.widgsort;
   by region;
run;
proc means data=work.widgsort mean range sum maxdec=0;
   var unitcost unitsold net;
   by region;
run;

proc means data=parts.widgets mean range sum maxdec=0;
   var unitcost unitsold net;
   class region;
run;

neither program

both programs

	proc sort data=parts.widgets out=work.widgsort; by region; run; proc means data=work.widgsort mean range sum maxdec=0; var unitcost unitsold net; by region; run;
	proc means data=parts.widgets mean range sum maxdec=0; var unitcost unitsold net; class region; run;
	neither program
	both programs