Basic statistics 
Chris Spatz  
 - 7th ed 
 - Australia ;  Belmont, CA  Wadsworth Thomson Learning  2001  
 - xv,496p.  ill.  24cm. 
<br/><br/>Includes bibliographical references (p. 485-490) and index.  
<br/><br/><label>ISBN: </label>0534366902 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.