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Journal Article ON THE DISTRIBUTION OF THE RATIO OF MEAN TO STANDARD DEVIATION IN SMALL SAMPLES FROM NON-NORMAL UNIVERSES Get access PAUL R. RIDER, PH.D. PAUL R. RIDER, PH.D. Department of Mathematics, Washington University, St Louis; Sterling Research Fellow (1928–29), Yale University Search for other works by this author on: Oxford Academic Google Scholar Biometrika, Volume 21, Issue 1-4, December 1929, Pages 124–143, https://doi.org/10.1093/biomet/21.1-4.124 Published: 01 December 1929
Paul R. Rider (Sun,) studied this question.