Note that the histogram is quite a pretty bell shape and in fact there is a fancy theory called the "central limit theorem" which derives the shape as a so-called Gaussian. |
There is a separate discussion of Gaussians on the web site |
+24 |
-24 |
700 Mean |
One finds a percentage error or standard deviation of 2.4%. |
10% of events are in upper yellow region > 3% larger than mean |