Kushner, Harvey W. <br/><br/>
Understanding basic statistics / 
by Harvey W. Kushner, Gerald De Maio. 
 - San Francisco, Calif. :  Holden-Day,  1980. 
 - xiii, 381 p. : ill. 
<br/><br/> Includes index.  Contents : Measurement--Organization of data--Percentiles. 
<br/><br/><label>ISBN: </label>0816248745 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Վիճակագրություն