24 JUN 2014 by ideonexus

 The Law of Large Numbers

The game is called who’s the best at flipping coins. It’s pretty simple. You flip a bunch of coins and whoever gets the most heads wins. To make this a little more interesting, though, not everybody has the same number of coins. Some people—Team Small—have only ten coins, while the members of Team Big have a hundred each. If we score by absolute number of heads, one thing’s for almost sure—the winner of this game is going to come from Team Big. The typical Big player is going to get around 5...
Folksonomies: mathematics statistics
Folksonomies: mathematics statistics
  1  notes
 
03 JAN 2011 by ideonexus

 We Take Things for Truth When They Need to Be More Thorou...

You see the problem fo obtaining facts from experience--it sounds very, very simple. You just try it and see. But man is a weak character and it turns out to be much more difficult than you think to just try it and see. For instance, you take education. Some guy comes along and he sees the way people teach mathematics. And he says, "I have a better idea. I'll make a toy computer and teach them with it." So he tries it with a group of chidlren, he hasn't got a lot of children, maybe somebody g...
Folksonomies: science pseudoscience
Folksonomies: science pseudoscience
  1  notes

Because one experimenter gets positive results from teaching children with computers, it does not follow that everyone should use them, the experimenter may have had enthusiasm for their use, which would skew the results.