Pfenning, Nancy <br/><br/>
Elementary statistics :  looking at the big picture / 
Nancy Pfenning 
 - Australia :  Brooks/Cole, Cengage Learning,  2011 
 - xxiii, 735 p. :  col. ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>9780495016526 (hbk.)  RM388.52 9780495831587 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics--Problems, exercises, etc.<br/>Variables (Mathematics)--Problems, exercises, etc.