Downie, N. M.  1910- <br/><br/>
Basic statistical methods 
[by] N. M. Downie [and] R. W. Heath. 
 - 4th ed. 
 - New York,  Harper & Row  [1974] 
 - vi, 355 p.  illus.  25 cm. 
<br/><br/><label>ISBN: </label>0060427310 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>LC Class. No.: </label>HA 29  / dow 
<br/><br/><label>Dewey Class. No.: </label>519.5