| Frequency Table (Categorical Data) | ||
| Category | Abs. Frequency | Rel. Frequency |
| WindowsNT5.1 | 14 | 0.4828 |
| WindowsNT6.0 | 6 | 0.2069 |
| WindowsNT6.1 | 4 | 0.1379 |
| IntelMacOSX10.5 | 1 | 0.0345 |
| IntelMacOSX10_5_8 | 1 | 0.0345 |
| IntelMacOSX10_6 | 1 | 0.0345 |
| IntelMacOSX10_6_1 | 1 | 0.0345 |
| IntelMacOSX10_6_2 | 1 | 0.0345 |
