Charlie's scores for 6 quizzes are shown in the table. Find this average score.
Quizzes | 1st | 2nd | 3rd | 4th | 5th | 6th |
Scores | 4 | 9 | 15 | 13 | 8 | 2 |
Quizzes | 1st | 2nd | 3rd | 4th | 5th | 6th |
Scores | 4 | 9 | 15 | 13 | 8 | 2 |
Quizzes | 1st | 2nd | 3rd | 4th | 5th | 6th |
Scores | 4 | 9 | 15 | 13 | 8 | 2 |
Quizzes | 1st | 2nd | 3rd | 4th | 5th | 6th |
Scores | 4 | 9 | 15 | 13 | 8 | 2 |
Quizzes | 1st | 2nd | 3rd | 4th | 5th | 6th |
Scores | 4 | 9 | 15 | 13 | 8 | 2 |