Anderson, David R (et al) <br/><br/>
Statistics for business and economics : 2nd ed .  2nd ed 

 - Cengage Learning,  Andover  2011 
 - xxxviii, 1021 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>310 And