Averill, E.W. <br/><br/>
Elements of statistics / 
by E.W. Averill. 
 - New York, N.Y. :  John Wiley & Sons,  1972. 
 - xii, 268 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0471038407 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Վիճակագրություն