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A teacher wants to know if students in her biology class did significantly better on an exam after instruction using authentic learning. The scores pre and post test are listed below. Based on an ? = .05, what can the teacher conclude?,,Pretest:77 79 81 88 67 90 73 82 85 76 71 70,,Posttest:80 81 87 89 72 95 77 88 83 79 72 75,

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