Walpole, Ronald E. <br/><br/>
Elementary statistical concepts / 
Ronald E. Walpole 
 - 2nd ed. 
 - New York :  MacMillan,  1983 
 - 442 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0024240206 
<br/><br/><label>LCCN: </label>82-007162 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics