proc univariate data=sasdata.geyser1;
	ods select histogram;
	var interval;
	histogram interval/vscale=count endpoints=42 to 48 by 6;
run;
proc univariate data=sasdata.geyser1;
	ods select histogram;
	var interval;
	histogram interval/vscale=count endpoints=37.5 to 97.5 by 15;
run;