Statistics applied to education and psychology
By: by Clarence T. Gray ... [and] David F. Votaw ...
Contributors: Votaw, David Freeman, 1892-  joint author
Publisher: The Ronald press company
Published: 1939
Place of publication: New York
Language: eng
Number of pages: 278
Subjects: Statistics; Education -- Statistics; Psychology
Notes: Bibliography: p. 265.
"Answers to exercises and problems": p. 267-274.