Helen. M Walker <br/><br/>
Elementary Statistical Methods 

 - New York  Henry Holt and Co  1943 
 - 368p 
<br/><br/>Helen. M Walker: Elementary Statistical Methods.  New York.  Henry Holt and Co, 1943.--(519.5WAL)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>519.5  / WAL