Griffiths, David <br/><br/>
Understanding data :  principles & practice of statistics / 
David Griffiths, W. Douglas Stirling, K. Laurence Weldon 
 - Brisbane :  John Wiley & Sons,  1998 
 - 401 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>047133734X  RM160.40 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics