Statistics 
Harper, W.M 
 - 6th edition. 
 - London.  Prentice hall.  1991 
 - 501p. 
<br/><br/><label>ISBN: </label>9780273634263 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Pure and Applied Sciences
<br/><br/><label>LC Class. No.: </label>QA 276   / .H37 1991