JOHNSON ROBERT R. <br/><br/>
ELEMENTARY STATISTICS 
ROBERT R. JOHNSON 
 - 2ND 
 - UNTED STATES OF AMERICA  WADSWORTH PUBLISHING COMPANY  1976 
 - XVIII, 550, ILL.  HBK 
<br/><br/><label>ISBN: </label>0878721029 
<br/><br/><label>LC Class. No.: </label>QA29.J6  / 1976