Johnson, Robert E <br/><br/>
Guide to elementary statistical formulas / 
by Robert E. Johnson a nd Doris N. Morris 
 - 1st ed. 
 - New York :  McGraw-Hill,  1956 
 - 101 p. :  ill.;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Formulae<br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>510.83 JOH