In an effort to improve the vocabulary of 10 students a, Ask an Expert

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In an effort to improve the vocabulary of 10 students, a teacher provides a weekly 1-hour tutoring session for them. A pre-test is given before the sessions and a post-test is given afterwards. The results are show in the table. at alpha .01, can the teacher conclude that the tutoring sessions helped improve the students' vocabularies?

Student 1 2 3 4 5 6 7 8 9 10

Before X1 83 76 92 64 82 68 70 71 72 63

Before X2 88 82 100 72 81 75 79 68 81 70

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Statistics and Probability, Statistics

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