Statistical methods applied to test scores
By: by Arthur S. Otis ... and Walter N. Durost ...
Contributors: Durost, Walter N. 1906- joint author.
Series: Test method help,; no. 4
Publisher: Dept. of Research and Test Service of World Book Company
Published: 1938
Place of publication: [Yonkers-on-Hudson]
Language: eng
Number of pages: 32
Subjects: Grading and marking (Students)
Notes: "References": p. 28.