Business statistics :  a first course / 
David M. Levine et. al. 
 - 6th ed. 
 - Boston :  Pearson,   2013 
 - 621p. :  ill. ;  28 cm 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>0273770926 9780273770923 
<br/><br/><label>Dewey Class. No.: </label>519.5  / BUS