Johnson, Robert Russell <br/><br/>
Study guide with self-correcting exercises for elementary statistics 
Robert Johnson. 
 - 3rd ed. 
 - North Scituate, Mass.  Duxbury Press  c1980. 
 - xii, 607 p.  ill.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics--Problems, exercises, etc.