Ullman, Neil R <br/><br/>
Statistics  an applied approach/ 
Neil R. Ullman. 
 - Waltham, Mass:  Xerox College Pub.,  1972. 
 - xvi, 605 p. : ill. ;    24 cm. 
<br/><br/>p. 581-584 
<br/><br/><label>ISBN: </label>0536007020 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics