Freund, John E. <br/><br/>
Modern elementary statistics / 
John E. Freund. 
 - 6th ed. 
 - Englewood Cliffs, N.J :  Prentice-Hall,  c1984. 
 - xii, 561 p. 
<br/><br/><label>ISBN: </label>0135935253. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.