Downie, N M <br/><br/>
Basic statistical methods /  by N M Downie and R W Heath 

 - 5th ed. 
 - New York :  Harper & Row Publishers,   1974. 
 - 371p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic statistics
<br/><br/><label>Dewey Class. No.: </label>519.5