Bobby's scores for 4 tests are shown in the table. Find this average score.
Tests | 1st | 2nd | 3rd | 4th |
Scores | 2 | 7 | 13 | 10 |
Tests | 1st | 2nd | 3rd | 4th |
Scores | 2 | 7 | 13 | 10 |
Tests | 1st | 2nd | 3rd | 4th |
Scores | 2 | 7 | 13 | 10 |
Tests | 1st | 2nd | 3rd | 4th |
Scores | 2 | 7 | 13 | 10 |
Tests | 1st | 2nd | 3rd | 4th |
Scores | 2 | 7 | 13 | 10 |