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Mathematics 13 Online
OpenStudy (anonymous):

Do SAT coaching classes work? Do they help students to improve their test scores? Four students were selected randomly from all of the students that completed an SAT coaching class. For each student, we recorded their first SAT score (before the class) and their second SAT score (after the coaching class). Student To analyze this data, we should use A) the one-sample t test. B) the matched pairs t test. C) the two-sample t test. D) Any of the above are valid. It just needs to be a t since  is unknown.

OpenStudy (anonymous):

im kidding dude. sorry

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