NOTE ON DR CRAIG'S PAPER Get access EGON S. PEARSON, D.Sc. EGON S. PEARSON, D.Sc. Search for other works by this author on: Oxford Academic Google Scholar Biometrika, Volume 21, Issue 1-4, December 1929, Pages 294–302, https://doi.org/10.1093/biomet/21.1-4.294 Published: 01 December 1929