Test scores: A sample of 12 students participated in an online tutoring program in mathematics. Each student took a pretest before the program started, and a posttest after completing the program. Following are the scores. Student 1 2 3 4 5 6 7 8 9 10 11 12 Pretest 73 76 40 77 65 39 51 53 78 65 46 79 Posttest 83 89 57 79 75 39 62 62 76 79 39 94 Can you conclude that the median scores differ between pretest and posttest? Use the a = 0.05 level of significance.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Test scores: A sample of 12 students participated in an online tutoring program in
mathematics. Each student took a pretest before the program started, and a posttest after
completing the program. Following are the scores.
Student
1 2 3 4 5 6 7 8 9 10 11 12
Pretest 73 76 40 77 65 39 51 53 78 65 46 79
Posttest 83 89 57 79 75 39 62 62 76 79 39 94
Can you conclude that the median scores differ between pretest and posttest? Use the a =
0.05 level of significance.
Data Set
The P value is
Transcribed Image Text:Test scores: A sample of 12 students participated in an online tutoring program in mathematics. Each student took a pretest before the program started, and a posttest after completing the program. Following are the scores. Student 1 2 3 4 5 6 7 8 9 10 11 12 Pretest 73 76 40 77 65 39 51 53 78 65 46 79 Posttest 83 89 57 79 75 39 62 62 76 79 39 94 Can you conclude that the median scores differ between pretest and posttest? Use the a = 0.05 level of significance. Data Set The P value is
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