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TheGarbageDisposal
RE: Did these Kids find a way to cheat the AP test or are they the worlds smartest?

fdgdghgfnjs wrote:

[quote]jamin wrote:

[quote]fdgdghgfnjs wrote:

Why would you assume independence?


That's why I underlined that fact. Obviously there's not independence because students in a given class might be extra motivated if that class is in a prep school or if the teacher offered some big prize to everyone who gets a perfect score.[/quote]

So then why post the(incorrect) math?[/quote]

Introducing conservatism into your estimates while clearly stating your assumptions is done all the time in actuarial work, especially when the unknown piece(s) of the equation is going to be a rough estimate at best (such as the correlation between the scores of the students in question due to their shared background). Well done Jamin.

-TGD, FSA 2011, MAAA 2013

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