Johnson, Robert. <br/><br/>
Elementary statistics / 
Robert Johnson. 
 - 7th ed. 
 - Belmont :  Duxbury,  c1996. 
 - 777 p. 
<br/><br/><label>ISBN: </label>053424324X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>LC Class. No.: </label>QA276.12  / .J64