Jawaban:
Nilai rata-rata = (6+7+6+X+8+6+6+7)/8
6,8 = 46/8
6,8 = 5,75
X = 6,8 - 5,75
X = 1,05
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Jawaban:
Nilai rata-rata = (6+7+6+X+8+6+6+7)/8
6,8 = 46/8
6,8 = 5,75
X = 6,8 - 5,75
X = 1,05