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| solute | number of solvents (-) | degree of freedom (-)a | critical value (-) | R2 (-) |
|---|---|---|---|---|
| isonicotinamide | 4 | 2 | 0.950 | 0.957 |
| lovastatin | 5 | 3 | 0.878 | 0.986 |
| phenacetin | 3 | 1 | 0.997 | 0.997 |
Degree of freedom = number of solvents – 2.
