Brase, Charles Henry. <br/><br/>
Understanding basic statistics/ 
Charles Henry Brase, Corrinne Pellillo Brase. 
 - 3rd ed. 
 - Boston:  Houghton Mifflin,  c2004. 
 - xxii, 569 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0618315535 
<br/><br/><label>Dewey Class. No.: </label>519.2  / B823