Freund, John E. <br/><br/>
Modern elementary statistics / 
John E. Freund. 
 - 7th ed. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1988. 
 - xiii, 574 p. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0-13-593567-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.