Rata-rata rapot winda jika nilainya 8,7,9,8,6,7,8,9,6,7
Diketahui:
8,7,9,8,6,7,8,9,6,7
Ditanya:Mean=
Penyelesaian:
Mean=jumlah data/banyak data
Mean=8+7+9+8+6+7+8+9+6+7/10
Mean=75/10
Mean=7,5
Jawaban:7,5
Rata-rata:
• = 8 + 7 + 9 + 8 + 6 + 7 + 8 + 9 + 6 + 7 / 10
• = 15 + 17 + 13 + 17 + 13 / 10
• = 32 + 30 + 13 / 10
• = 62 + 13 / 10
• = 75 / 10
• = 75 ÷ 10
• = 7,5
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