Walpole, Ronald E. <br/><br/>
Introduction to statistics / 
Ronald E. Walpole. 
 - 3rd ed. 
 - Singapore :  Simon & Schuster (Asia),  c1997. 
 - xv, 521 p. : ill. 
<br/><br/> Includes references, appendix, and index. 
<br/><br/> "Printed in the Philippines". 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.