tolong jawab pake cara nomor 34 sama 35

Rata - Rata :
[tex]mean = \frac{x1 + ... + xn}{n} \\ mean = \frac{28 \times 2 + 32 \times 4 + 35 \times 6 + 40 \times 5 + 45 \times 3}{2 + 4 + 6 + 5 + 3} \\ mean = \frac{56 + 128 + 210 + 200 + 135}{20} \\ mean = \frac{729}{20} \\ mean = 36.45[/tex]
Jawaban : B. 36,45

Maaf Kalau Salah

Semoga membantu oke maaf kalau ada yang salah