Mathematics, 21.05.2020 06:03, musfirahkhurram

Advertisements claim that taking an SAT preparation course can significantly improve performance on the SAT. Assume there are three SAT preparation services available for students to enroll in and assume you have 200 students available to use in your experiment. Explain the design of an experiment to examine the claim that SAT preparation courses improve SAT scores and, if so, which of the preparation services would seem to be the best.

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