Penjelasan dengan langkah-langkah:
Mean
[tex] = \frac{(5 \times 4) + (6 \times 8) + (7 \times 14) + (8 \times 12) + (9 \times 2)}{4 + 8 + 14 + 12 + 2} [/tex]
[tex] = \frac{20 + 48 + 98 + 96 + 18}{40} [/tex]
[tex] = \frac{280}{40} [/tex]
[tex] = 7[/tex]
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Penjelasan dengan langkah-langkah:
Mean
[tex] = \frac{(5 \times 4) + (6 \times 8) + (7 \times 14) + (8 \times 12) + (9 \times 2)}{4 + 8 + 14 + 12 + 2} [/tex]
[tex] = \frac{20 + 48 + 98 + 96 + 18}{40} [/tex]
[tex] = \frac{280}{40} [/tex]
[tex] = 7[/tex]