**FIRST DRAFT**

[I would like to thank my former colleague and good friend at The Ohio State University, Dick Shumway, for referring me to this rule that his father, a banker, first brought to his attention.] ... see Diaconis & Freedman (1979). ... and for an n of 70 or so it is a virtual certainty! See, for example, the website www.physics.harvard.edu ... ................
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