The following table shows the scores of 15 students in mid-term test and final examination of a Mathematics course in an academic year: 12.8 60.5 13.6 54.5 13 55.5 12.2 59.5 8 66.5 15.8 52.5 7.6 76 9.4 61.5 13.6 56.5 11.4 60 10.6 56 11.6 61.5 16.4 47 14 56 12.8 58 13.8 51 Calculate the correlation coefficient for the sample. Explain the results At the 5% significant level, test whether students’ performances in mid-term test and final examination are correlate
The following table shows the scores of 15 students in mid-term test and final examination of a Mathematics course in an academic year: 12.8 60.5 13.6 54.5 13 55.5 12.2 59.5 8 66.5 15.8 52.5 7.6 76 9.4 61.5 13.6 56.5 11.4 60 10.6 56 11.6 61.5 16.4 47 14 56 12.8 58 13.8 51 Calculate the correlation coefficient for the sample. Explain the results At the 5% significant level, test whether students’ performances in mid-term test and final examination are correlate
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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The following table shows the scores of 15 students in mid-term test and final examination of a Mathematics course in an academic year:
| 12.8 | 60.5 |
| 13.6 | 54.5 |
| 13 | 55.5 |
| 12.2 | 59.5 |
| 8 | 66.5 |
| 15.8 | 52.5 |
| 7.6 | 76 |
| 9.4 | 61.5 |
| 13.6 | 56.5 |
| 11.4 | 60 |
| 10.6 | 56 |
| 11.6 | 61.5 |
| 16.4 | 47 |
| 14 | 56 |
| 12.8 | 58 |
| 13.8 | 51 |
- Calculate the
correlation coefficient for the sample. Explain the results - At the 5% significant level, test whether students’ performances in mid-term test and final examination are correlated.
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