Ary, Donald. <br/><br/>
Introduction to statistics :  purposes and procedures / 
Donald Ary and Lucy Cheser Jacobs 
 - Rinehart and Winston, New York :  Holt,  1976 
 - 461 p. :  ill. ;  23 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0030884128 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics