Blackwell, David. <br/><br/>
Basic statistics / 
David Blackwell. 
 - New York :  McGrawhill;  1969. 
 - v, 143 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.