| Variable | t-Value | t-Critical Value | Confidence 95% |
| # 1 vs. # 2 | equal Mean |
|
|
| # 2 vs. # 3 | 0.561 | 1.796 | not significant |
| # 3 vs. # 4 | 0.432 | 1.796 | not significant |
| # 4 vs. # 5 | equal Mean |
|
|
| # 5 vs. # 6 | equal Mean |
|
|
| # 6 vs. # 7 | equal Mean |
|
|
| # 7 vs. # 8 | 0.364 | 1.796 | not significant |
| # 8 vs. # 9 | 0.364 | 1.796 | not significant |
| # 9 vs. # 10 | equal Mean |
|
|
| # 10 vs. # 11 | 0.321 | 1.796 | not significant |
| # 11 vs. # 12 | 0.290 | 1.796 | not significant |
| # 12 vs. # 13 | equal Mean |
|
|
| # 13 vs. # 14 | 0.321 | 1.796 | not significant |
| # 14 vs. # 15 | 1.033 | 1.796 | not significant |
| # 15 vs. # 16 | equal Mean |
|
|
| # 16 vs. # 17 | 1.000 | 1.796 | not significant |
| # 17 vs. # 18 | 0.364 | 1.796 | not significant |
| # 18 vs. # 19 | 0.321 | 1.796 | not significant |
| # 19 vs. # 20 | 0.432 | 1.796 | not significant |
| # 20 vs. # 21 | equal Mean |
|
|
| # 21 vs. # 22 | equal Mean |
|
|
| # 22 vs. # 23 | 0.233 | 1.796 | not significant |
| # 23 vs. # 24 | equal Mean |
|
|
| # 24 vs. # 25 | 1.393 | 1.796 | not significant |