| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| control variable inspection | 0.32 | 0.2 | 3230 | 90 | 27 |
| control | 0.47 | 0.3 | 6170 | 64 | 7 |
| variable | 0.52 | 0.9 | 5848 | 6 | 8 |
| inspection | 1.82 | 0.6 | 2645 | 2 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| control variable inspection | 1.49 | 0.7 | 7871 | 31 |
