options ls=79;

data plants;
 input group $ weight @@;
/* tr2 .48 tr2 .41 tr2 .43  tr2 .38  tr2 .52 tr2 .50 tr2 .38
tr3 .28  tr3 .38  tr3 .40  tr3 .25  tr3 .30  tr3 .31  tr3 .29  tr3 .33 */
datalines; 
un .55  un .67  un .63  un .79  un .81  un .85  un .68
tr .65  tr .59  tr .44 tr .60  tr .47  tr .58  tr .66  tr .52 tr .51
tr2 .48 tr2 .41 tr2 .43  tr2 .38  tr2 .52 tr2 .50 tr2 .38
tr3 .28  tr3 .38  tr3 .40  tr3 .25  tr3 .30  tr3 .31  tr3 .29  tr3 .33
;
proc print; run;

proc sort; by group; run;
proc univariate plot; var weight; by group; run;


/*
proc glm; class group;  model weight=group; run;
*/
/*
proc ttest ; var weight; class group; run;

proc npar1way wilcoxon; var weight; class group; run;
*/
quit;