From a Biology class of 18 students using computer aided instruction, 10 were given additional self -instructional modules in print. The final examination result of the students were as follows: Result of Final Examination With Additional Self- Instructional Modules Without Additional Self- Instructional Modules 84 87 78 79 84 87 90 80 83 75 88 88 80 86 84 85 89 78 At .05 level of significance, is there enough evidence to show that those students who received additional self-instructional materials performed better in the final examination in Biology?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Using Mann-whitney u test, solve the attached problem. Interpret if the null is rejected or not

From a Biology class of 18 students using computer aided instruction, 10 were given
additional self -instructional modules in print. The final examination result of the students
were as follows:
Result of Final Examination
With Additional Self-
Without Additional Self-
Instructional Modules
Instructional Modules
87
84
78
79
84
87
80
75
88
90
83
88
80
86
84
85
89
78
At .05 level of significance, is there enough evidence to show that those students who
received additional self-instructional materials performed better in the final examination
in Biology?
Transcribed Image Text:From a Biology class of 18 students using computer aided instruction, 10 were given additional self -instructional modules in print. The final examination result of the students were as follows: Result of Final Examination With Additional Self- Without Additional Self- Instructional Modules Instructional Modules 87 84 78 79 84 87 80 75 88 90 83 88 80 86 84 85 89 78 At .05 level of significance, is there enough evidence to show that those students who received additional self-instructional materials performed better in the final examination in Biology?
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why you did not reject the null hypothesis, the statistics is one tailed to the right , so anything that is larger with 17 is to be rejected?

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