Johnson Robert. <br/><br/>
Elementary Statistics  Robert Johnson, Kuby Patricia. 
 Estadística Elemental 

 - 10a ed. 
 - Belmont, CA  Thomson  2007. 
 - 884 p.  ill. (some col.).  26cm. 
 - The Duxbury seriesin statistics. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0495017639 
<br/><br/><label>LCCN: </label>2005938661 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics<br/>Elementary statistics.