Statistics :  a simplified approach / 
by Twila G. Punsalan, Gabriel G. Uriate. 
 - Manila :  Rex Book Store,  c1989. 
 - ix,212p. :  ill ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9712301486 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.