Wetherill, Barrie G. <br/><br/>
Elementary Statistical Methods 

 - London  Chapman and Hall   1967 
 - 346 
<br/><br/><label>ISBN: </label>412113708 
<br/><br/><label>Publisher. No.: </label> Select Publication House 
<br/><br/><label>Subjects--Personal Names: </label> Mathematics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics