| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| random variable and mathematical expectation | 1.12 | 0.2 | 8138 | 42 | 44 |
| random | 0.1 | 0.9 | 2339 | 39 | 6 |
| variable | 1.97 | 0.2 | 633 | 82 | 8 |
| and | 1.78 | 0.8 | 7577 | 95 | 3 |
| mathematical | 1.6 | 0.1 | 6048 | 24 | 12 |
| expectation | 1.66 | 0.2 | 8643 | 46 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| random variable and mathematical expectation | 0.99 | 0.7 | 9157 | 67 |
