| N | Mean | Standard Deviation | Standard Error | Minimum | Maximum | |
| 17 | 7.29 | 20.62 | 5.00 | −28.3 | 56.30 | |
| 31 | 2.85 | 14.67 | 2.63 | −19.20 | 74.90 | |
| 4.45 | 16.97 | 5.12 | ||||
| Method | Mean | 95% CI | Mean | Standard Deviation | 95% CI | Standard Deviation |
| 7.29 | −3.31 | 17.89 | 20.62 | 15.36 | 31.38 | |
| 2.85 | −2.53 | 8.23 | 14.67 | 11.72 | 19.60 | |
| Pooled | 4.45 | −5.87 | 14.76 | 16.97 | 14.11 | 21.32 |
| Satterthwaite | 4.45 | −7.19 | 16.08 | |||
| Method | Variances | DF | T Value | Pr > |t| | ||
| Pooled | Equal | 46 | 0.87 | 0.39 | ||
| Satterthwaite | Unequal | 25.08 | 0.79 | 0.45 | ||
| Equality of Variances | ||||||
| Folded F | 16 | 30 | 1.98 | 0.10 | ||