Basic Statistics for business 7 Economics / 
Lind, Douglas [et..al] 
 - 4th ed 
 - Toronto :  McGraw-Hill / Ryerson ,  2012. 
 - xiv,462 p,: 
<br/><br/><label>ISBN: </label>9780070385747 
<br/><br/><label>LC Class. No.: </label>HA29  / .L56  2012