Statistics for business and economics 
Newbold, Paul. 
 - Fifth Edition. 
 -  Pearson Education, Inc.  2003 
 - xx, 857 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-205-06753-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial statistics.
<br/><br/><label>Dewey Class. No.: </label>GS 519.5 N42s 2003