/* Read data into sas data file */
data ma2612.feedback;
 input feedback $ add_value;
cards;
None      40.85	
None      35.21	
None      38.17	
None      43.96	
None      34.88	
Vague     38.32	
Vague     40.26	
Vague     47.47	
Vague     44.1	
Vague     40.09	
Vague     42.67	
Accurate  48.59	
Accurate  40.71	
Accurate  45.33	
Accurate  43.76	
Accurate  46.41	
Accurate  44.19
;
run;
/* Do the plot */
proc sgplot data=ma2612.feedback;
 vbox add_value / category=feedback;
run;