Downie, N. M. <br/><br/>
Basic statistical methods / 
by N. M. Downie and R. W. Heath. 
 - 2nd ed. 
 - New York :  Harper & Row,  1965. 
 - xv, 325 p. 
<br/><br/><label>ISBN: </label>0060427310 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>LC Class. No.: </label>HA29.D69 1965