So why is Bob considered to be overweight?
Example:
Height | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | average height = 2 | Weight | 1 | 1 | 1 | 4 | 8 | 12 | 20 | 27 | 34 | average weight = 12 |
Note:
E[W] = E[E[W | H]] = E[f(H)] > f(E[H]).
(W = weight, H = height, E = expectation)
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