Downie, N M & Heath, R W  <br/><br/>
Basic Statistical Methods / 
by N M Downie & R W Heath  
 - New York :  Harper & Brothers ,  1959. 
 - 354p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Methods
<br/><br/><label>Dewey Class. No.: </label>519.5  / DOW