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It's easy to spin it that way, but to be fair, if you care about getting minorities into STEM, it shouldn't need to be a requisite that a bunch of white males take the test in your state first. (leaving aside the whole issue of whether AP computer science is a useful litmus test for that.)

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Nobody said it's requisite, it's just who happened to take the test. This article poses it as an alarming issue yet the statistical significance of this data is barely worth mentioning. That's 11 out of the 50 states, and all of those states (with the number of test takers and minority proportions) have expected values of between .5 and 2 black students taking the test, most of them falling between .5-1.0. There is a lot of context missing from this data to know if it's actually significant and presenting on only this side of the data weakens their argument by opening an entire plethora of counter-arguments about their data being misleading.

>if you care about getting minorities into STEM //

Surely, what you should care about is giving all people the opportunity to enter the subject area of their choosing without unnecessary discrimination (eg based on unrelated factors). Just because there are students of a particular race that you want to take a subject to achieve your notion of perfect balance doesn't mean they should be unduly pressed towards that subject.

These figures probably give no useful information about equality of opportunity.

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