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Journal Article APPENDIX: NOTE ON THE CALCULATION OF THE DISTRIBUTION OF THE ESTIMATE OF MEAN DEVIATION IN NORMAL SAMPLES Get access H. O. HARTLEY H. O. HARTLEY Scientific Computing Service, Ltd. Search for other works by this author on: Oxford Academic Google Scholar Biometrika, Volume 33, Issue 3, November 1945, Pages 257–258, https://doi.org/10.1093/biomet/33.3.257 Published: 01 November 1945
H. O. Hartley (Mon,) studied this question.