| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| sample size calculator observational study | 0.53 | 0.5 | 7782 | 77 | 42 |
| sample | 1.9 | 0.3 | 9784 | 23 | 6 |
| size | 0.58 | 0.2 | 7734 | 15 | 4 |
| calculator | 0.56 | 0.6 | 6141 | 64 | 10 |
| observational | 0.66 | 0.5 | 5019 | 4 | 13 |
| study | 0.31 | 1 | 2774 | 19 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sample size calculator observational study | 1.27 | 0.3 | 4842 | 42 |
