From an English class of 18 students using programmed materials, 10 are selected at random and given additional instruction by the teacher. The results on the final examination were as follows: Grades in the Final Examination With Additional Instruction No Additional Instruction 87 75 91 78 85 81 80 85 86 72 85 80 81 81 85 85 73 79
From an English class of 18 students using programmed materials, 10 are selected at random and given additional instruction by the teacher. The results on the final examination were as follows: Grades in the Final Examination With Additional Instruction No Additional Instruction 87 75 91 78 85 81 80 85 86 72 85 80 81 81 85 85 73 79
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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From an English class of 18 students using programmed materials, 10 are selected at random and given additional instruction by the teacher. The results on the final examination were as follows:
Grades in the Final Examination |
|
With Additional Instruction |
No Additional Instruction |
87 |
75 |
91 |
78 |
85 |
81 |
80 |
85 |
86 |
72 |
85 |
80 |
81 |
81 |
85 |
85 |
73 |
|
79 |
|
Test at 0.01 level of significance to find out if the additional instruction affects the average grade assuming that the data is normal. Use 2 decimal places
Determine the following:
Method to be used in solving:
Computed Value:
Tabular Value:
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