Kumar, Shiv, <br/><br/>
Practical statistics / 
by Shiv Kumar. 
 - 2nd revised edition. 
 - New Delhi :  Sultan Chand & Sons/  /  1980. 
 - vi, 583 pages :  illustration ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics<br/>Commercial statistics<br/>Econometrics