Johnson, Palmer O. (Palmer Oliver),   1891- <br/><br/>
Statistical methods in research/ 
by Palmer O. Johnson 
 - Englewood Cliffs, N.J.:  Prentice-Hall,  1961. 
 - xvi, 377 pages:   diagrs.;   24 cm. 
<br/><br/>Includes'References.' 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical statistics.<br/>Research.<br/>Probabilities.