Walker, Helen M. . <br/><br/>
Mathematics Essential for Elementary Statistics /  Textual Documents 
Helen M. Walker. 
 - 1st ed. / 
 - New Delhi :  Oxford & IBH Publishing Co.Pvt. Ltd. ,  C 1951. 
 - 382p. ;  20cm. 
<br/><br/><label>Subjects--Index Terms: </label>Statistics G-Statistics T/G-Statics 
<br/><br/><label>Dewey Class. No.: </label>310  / W 152 M