Mansfield, Edwin <br/><br/>
Statistics for business and economics :  method and applications / 
Edwin Mansfield, Shelton S. Schmidt. 
 - 4th ed. 
 - New York :  W. W. Norton,  c1991. 
 - 207p. ; 15 cm. 
<br/><br/><label>ISBN: </label>039396082X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods<br/>Commercial statistics<br/>Economics--Statistical methods