Walker Helen M <br/><br/>
Elementary statistical methods 
Walker Helen M; Lev Joseph 
 - Calcutta  Oxford & IBH publishing co. India     1958 
 - 302p.  cm. 
<br/><br/><label>Standard No.: </label>26670 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> MATHEMATICS<br/>PROBABILITIES
<br/><br/><label>Dewey Class. No.: </label>B28, J8