Wetherill, G. Barrie <br/><br/>
Elementary statistical methods 

 - London  : Chapman and Hall  , 1972 
 - 346 p. 
<br/><br/><label>ISBN: </label>412 11370 8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESTADÍSTICA<br/>PROBABILIDAD
<br/><br/><label>Subjects--Index Terms: </label>Estadística no paramétrica 
<br/><br/><label>Dewey Class. No.: </label>519.5