| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| sample size calculation rct online | 1.19 | 0.5 | 9373 | 11 | 34 |
| sample | 1.52 | 0.4 | 9838 | 19 | 6 |
| size | 1.02 | 0.7 | 3252 | 5 | 4 |
| calculation | 1.71 | 0.4 | 2786 | 89 | 11 |
| rct | 1.32 | 0.2 | 6496 | 24 | 3 |
| online | 1.26 | 0.2 | 5810 | 60 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sample size calculation rct online | 1.76 | 0.7 | 9797 | 73 |
