Hoel, Paul G. <br/><br/>
Basic statistics for business and economics / 

 - 2nd ed. 
 - London :  John Wiley & Sons ,  1977. 
 - xiii+536  22.5cms 
 - Wiley/Hamilton series in management and administration .
<br/><br/><label>Subjects--Index Terms: </label>Economics Biasing Statistics Mathematics