MANSFIELD,  E. <br/><br/>
Statistics for Business and Economics :  Methods  and Applications 

 - 5th Ed. 
 - New York,  w.w.Norton  & Company  Inc,  1994. 
 - xxiii,  136p.: Ill.; figures ,  picture  & table.  Index  24cm. 
<br/><br/><label>ISBN: </label>0-393-96460-4 
<br/><br/><label>Dewey Class. No.: </label>TEA   LECT  519.5 MAN