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The “Vierfeldertest” of Carl Liebermeister (remarks concerning the development of medical statistics in 19th century). (Der “Vierfeldertest” von Carl Liebermeister (Bemerkungen zur Entwicklung der medizinischen Statistik im 19. Jahrhundert).) (German)
Hist. Math. 21, No.1, 28-38 (1994).
The test for the comparison of two probabilities as proposed in 1840 by {\it L. D. J. Gavarett} (1809-1890) is only applicable when large samples are available. In 1877 the professor of medicine Carl Liebermeister (1833-1901) published a test for small samples using a model of balls drawn from two urns. It is in principle similar but slightly different from {\it R. A. Fisher}’s exact test for $2 \times 2$-tables (1922). Liebermeister’s formula is correct, its application was too cumbersome for his colleagues and so it received no attention. In 1948, {\it D. J. Finney} computed comfortable tables for the evaluation of Fisher’s exact test, they were extended by {\it R. Latscha} (1953) and once more by {\it B. M. Bennett} and {\it P. Hsu} (1963). From a footnote by Liebermeister we learn, that always at that time he read lessons on probability and its application to medicine and science. 16 references.
Reviewer: H.Grimm (Jena)
Classification: 01A55 62-03 62F15 62P10