[tex]media = \frac{1 \times 0 + 2 \times 0 + 3 \times 0 + 4 \times 2 + 5 \times 4 + 6 \times 5 + 7 \times 6 +8 \times 5 + 9 \times 4 + 10 \times 4}{0 + 0 + 0 + 2 + 4 + 5 + 6 + 5 + 4 + 4} \\ media = \frac{8 + 20 + 30 + 42 + 40 + 36 + 40}{30} \\ media = \frac{216}{30} \\ media = 7.2[/tex]
