Ball, A.D. <br/><br/>
Work out statistics :  a-level / 

 - London :  The MaCmillan Press Ltd.  1991 
 - xii, 265 p. 
<br/><br/><label>ISBN: </label>0333563336 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General statistics 
<br/><br/><label>Dewey Class. No.: </label>310  / BAL