Weisberg, Herbert F. <br/><br/>
Central tendency and variability 

 - London  Sage Publishers  1992 
 - 89p. 
<br/><br/><label>ISBN: </label> RS 300.00 
<br/><br/><label>Source: </label> RS 300.00 
<br/><br/><label>Dewey Class. No.: </label>300.15195 WEI