Introduction to statistics / 
Walpole, Ronald E. 
 - 3rd ed. 
 - Singapore :  Pearson Education Asia Pte Ltd,  2002. 
 - xv, 521 p.: 220cm. 
<br/><br/>Includes index; repint 
<br/><br/><label>ISBN: </label>9814009512 
<br/><br/><label>Dewey Class. No.: </label>C 310 W16 2002