Correlation in heterogeneous populations
By: by Everett Linus Welker ...
Published: 1938
Place of publication: Urbana, Ill
Language: eng
Subjects: Correlation (Statistics)
Other titles: Heterogeneous pupulations
Notes: Vita.

Photoprinted except t.-p. and "Vita".

Abstract of thesis (PH. D.)--University of Illinois, 1938.

Microfilm. New York, N.Y. : Columbia University Libraries, 1997. 1 microfilm reel ; 35 mm.

Filmed; NEH Project (FMEST); 1997.