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11-10-2012, 05:57 AM
  #285
Dalton
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Quote:
Originally Posted by Czech Your Math View Post
I agree with you that curving isn't the best way to grade a class. It would be better to have an exact standard that's consistently applied, but we don't know what standard to use to equate one season to another. The best estimate so far is based on the mean, which is why the curve (not necessarily bell-shaped) was used as an analogy.

You have to look at the most common alternative, which is just using raw stats. This is the equivalent of having different professors from year to year. One year it's "cool Mr. High" who hands out As & Bs to most of the class... the next year it's "cranky Ms. Low" who relishes failing half the class.

In the context we're speaking of (hockey), using a curve is at least consistent and founded in value. What changes from year to year is the quality of the class.
This has been disproven in a massive study that included NHL left wingers gs.

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