| satisfaction level |
Books, tutors, website at sample mean |
Books, tutors, website get maximum score by students |
Difference in % points |
||
| Probability of reporting this level |
95% Confidence interval |
Probability of reporting this level |
95% Confidence interval |
||
| 1 (very much dissatisfied) |
0.32% |
[−0.13%, 0.78%] |
0.05% |
[−0.03%, 0.14%] |
−0.27 |
| 2 |
0.86% |
[0.08%, 1.65%] |
0.14% |
[−0.02%, 0.30%] |
−0.72 |
| 3 |
3.16% |
[1.50%, 4.83%] |
0.54% |
[0.10%, 0.99%] |
−2.62 |
| 4 |
18.35% |
[13.85%, 22.84%] |
3.86% |
[1.57%, 6.15%] |
14.49 |
| 5 |
62.57% |
[56.33%, 68.80%] |
44.12% |
[33.16%, 55.08%] |
−18.45 |
| 6 |
13.17% |
[9.37%, 16.98%] |
42.46% |
[31.50%, 53.41%] |
29.29 |
| 7 (very much satisfied) |
1.57% |
[0.47%, 2.66%] |
8.83% |
[2.57%, 15.18%] |
7.26 |