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ON THE GENERAL THEORY OF MULTIPLE CONTINGENCY WITH SPECIAL REFERENCE TO PARTIAL CONTINGENCY Get access KARL PEARSON, F.R.S. KARL PEARSON, F.R.S. Search for other works by this author on: Oxford Academic Google Scholar Biometrika, Volume 11, Issue 3, May 1916, Pages 145–158, https://doi.org/10.1093/biomet/11.3.145 Published: 01 May 1916
Karl Pearson (Sat,) studied this question.