On Wed, 20 Apr 2016 01:50:00 +1000, Steven D'Aprano wrote: > Anyone who has played (say) Dungeons and Dragons, or other role-playing > games, will know that events with a probability of 1 in 20 occur very > frequently. To be precise, they occur one time in twenty. > Million to 1 chances happen 9 time out of Ten (T prachett - Varius Discworld books :-) )
> Even if the claimed results are correct, how strong is the effect? > > (a) On average, Canadian students get 49.0% on a standard exam that > Chinese students get 89.0% for. > > (b) On average, Canadian students get 49.0% on a standard exam that > Chinese students get 49.1% for. > > The level of statistical significance is not related to the strength of > the effect: we can be very confident of small effects, and weakly > confident of large effects. -- If anyone has seen my dog, please contact me at x2883 as soon as possible. We're offering a substantial reward. He's a sable collie, with three legs, blind in his left eye, is missing part of his right ear and the tip of his tail. He's been recently fixed. Answers to "Lucky". -- https://mail.python.org/mailman/listinfo/python-list