Freund, John E. <br/><br/>
Mathematical statistics / 
John E. Freund, Ronald E. Walpole. 
 - 3rd ed. 
 - Englewood Cliffs, NJ :  Prentice-Hall,  1980. 
 - xii, 548 p. 
<br/><br/><label>ISBN: </label>013562066X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical statistics.