Johnson, Robert Russell <br/><br/>
Elementary statistics / 
R.R. Johnson. 
 - 4-th ed. 
 - Boston :  Duxbury Press,  1984. 
 - xv, 557 p. :  fig. ;  24cm. 
<br/><br/> Includes appendixes 
<br/><br/><label>ISBN: </label>0-87150-406-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics