Testing After Review A statistics class was given a pretest on probability (since many had previous experience in some other class). Then the class was given a six-page review handout to study for 2 days. At the next class they were given another test. Is there sufficient evidence that the scores improved? Use a = 0.05. Student 2 -3 5 6 Pretest 52 50 40 58 60 50 Posttest 62 65 50 65 08 63

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