Mathematics, 24.11.2020 19:50, brennarfa

A company that provides tutoring is evaluating whether or not it’s tutoring services are effective at boosting students’ class rank. A group of 50 students is participating in this study. Each student’s class rank was measured three times, once before beginning the tutoring service, a second time after 1 semester in the tutoring service, and a third time after 2 semesters in the tutoring service. What is the correct statistical test to determine if the tutoring services are effective at boosting students’ class rank?

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A company that provides tutoring is evaluating whether or not it’s tutoring services are effective a...