bantu jawabbbb.......
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Penjelasan dengan langkah-langkah:
Mean:
[tex] \tt \: \frac{(6 \times 7) + (7 \times 9) + (8 \times 12) + (9 \times 5) + (10 \times 2)}{35} [/tex]
[tex] \tt \: \frac{42 + 63 + 96 + 45 + 20}{35} [/tex]
[tex] \tt \: \frac{266}{35} [/tex]
[tex] \tt \: 266 \div 35[/tex]
[tex] \tt \red{7.6}[/tex]
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