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Verified answer
Jawabjumlah data = 8+ 3(6) +7+ 2y+ 5 = 2y + 38
banyak data = 8
mean = jumlah data / banyak data
6 = (2y + 38)/8
2y + 38 = 6(8)
2y = 48 - 38
2y = 10
y = 5