Quote:
Originally Posted by Jay Random
I am measuring competitive balance based on distribution of goal differential, which in any case is closely correlated with winning and losing.
The league appears to have moved quite suddenly away from a bell curve, and towards a bimodal distribution of haves and have-nots.
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If that was a good approach with respect to commenting on competitive balance, wouldn't you expect to see a notable increase in the σ of league winning percentage as you've observed in the σ of league goal differential?