Business Statistics :  For Contemporary decision making / 
Black , Ken  
 - 5th ed. 
 - USA:  John Wiley & Sons ,  2008. 
 - xxxii,839 p,: 
<br/><br/><label>ISBN: </label>9780471789567 
<br/><br/><label>LC Class. No.: </label>HF1017  / .B562  2008