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7(12 pts). In an effort to improve the mathematical skills of 10 students, a teacher provides a weekly 1-hour tutoring s
Posted: Wed May 11, 2022 1:01 pm
by answerhappygod
- 7 12 Pts In An Effort To Improve The Mathematical Skills Of 10 Students A Teacher Provides A Weekly 1 Hour Tutoring S 1 (36.98 KiB) Viewed 26 times
7(12 pts). In an effort to improve the mathematical skills of 10 students, a teacher provides a weekly 1-hour tutoring session for the students. A pretest is given before the sessions, and a post-test is given after. The results are shown here. At a = 0.01, can it be concluded that the sessions help to improve the students' mathematical skills? Students 1 2 3 4 5 6 7 8. 9 10 Pretest.X 82 76 91 62 81 67 71 69 80 85 Post-test X2 88 80 98 80 80 73 74 78 85 93 D = X1 - X2 -6 -4 -7 -18 1 -6 -3 -9 -5 -8 D2 36 16 49 324 1 36 9 81 25 64