Dietrich, Frank H. <br/><br/>
Business statistics :  an inferential approach / 
Frank H. Dietrich II, Nancy J. Shafer. 
 - San Francisco :  Dellen Publishing,  c1984. 
 - xxix, 770 p. ;  24 cm. 
<br/><br/> Includes bibliographical references.  Includes index. 
<br/><br/><label>ISBN: </label>0895170531 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial statistics.