Groebner, David F. <br/><br/>
Business statistics :  a decision-making approach / 
by David F. Groebner, Patrick W. Shannon. 
 - 3rd ed. 
 - Columbus, Ohio :  Merrill Publishing Co.,  1989. 
 - xv, 931, I-10 p. 
<br/><br/><label>ISBN: </label>0675209773 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Վիճակագրություն<br/>Commercial statistics.