Table 8: The means and standard deviations of the number of tests passed in each of the two courses, along with the correlation between the two courses. The first line gives the observed values corresponding to Table 1; the estimated predictive values associated with the first, second, and third models follow.
|
First course |
Second course |
Correlation |
Mean |
Std. Dev. |
Mean |
Std. Dev. |
Observed |
3.519 |
0.699 |
2.346 |
0.947 |
0.667 |
First model |
3.545 |
0.855 |
2.370 |
0.946 |
0.412 |
Second model |
3.551 |
0.769 |
2.371 |
0.847 |
0.284 |
Third model |
3.533 |
0.752 |
2.355 |
0.843 |
0.246 |