Walpole, Ronald E. <br/><br/>
Elementary statistical concepts. 
Ronald E. Walpole 
 - New York:  Macmillan,  1976. 
 - viii,231 p. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0-02-424090-7 
<br/><br/><label>Dewey Class. No.: </label>519.5 WAE