Statistics for managers using Microsoft excel / 
Levine , David M. [et..al] 
 - Toronto:  Pearson/ Prentice hall,  2004. 
 - xxvii,883 p,: 
<br/><br/><label>ISBN: </label>0130390283 
<br/><br/><label>LC Class. No.: </label>HD30.215  / .L48  2004