Johnson, Palmer O.  1891- <br/><br/>
Statistical methods in research. 

 - New York,  Prentice-Hall,  1949. 
 - xvi, 377 p.  diagrs.  24 cm. 
<br/><br/>Includes "References." 
<br/><br/><label>LCCN: </label>49004316 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical statistics.<br/>Probabilities.<br/>Research.
<br/><br/><label>LC Class. No.: </label>QA276  / .J6