Posted by Sam on Wednesday, November 11, 2009 at 11:37pm.
The heights of women in the US approximately follow a bell shaped curve. What do you think that means?

Stats  drwls, Thursday, November 12, 2009 at 7:10am
It means that heights (h) are distributed according to a formula
N(h) = exp[(hm)/a)]^2 , where
m is the most probable (and average) height
a is the standard deviation, sometimes called sigma
If you plot N vs. h, it looks like an upsidedown bell.
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