By Sharma, A. K <br/><br/>
Text book of elementary statistics 

 - 1st 
 - New Delhis  Discovery Publishing Agency  2005 
 - 312p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification and tabulation of data Graphic presentat
<br/><br/><label>Dewey Class. No.: </label>519.5  / SHA