Grading an AP hypothesis test problem – A Twitter Story

I had a question about how AP readers would grade an AP Statistics question. The story below is how Twitter helped me get the answer, in great detail, within a couple of hours. Twitter: you are awesome. (AP Stats exam, in some ways you are less awesome. Some of your obsessions make sense to me. But “Name the test or lose 12.5-25% of your score!” is harsh, man. The test is pretty obvious from context.)

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