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Rata-rata = jumlah total dibagi jumlah benda
jumlah total = 6 + 8 + 5 + 6 + 9 + 4 + 10 + 7 + 4 +7
= 66
rata-rata = 66/10
= 6,6
Lebar diatas 6,6 adalah 8,9,10,7,7 atau 5 daun (C)
72. caranya sama langsung aja ya
20 x 2 = 40
23 x 3 = 69
25 x 2 = 52
26 x 2 = 50
30 x 1 = 30
Jumlah total = 251
jumlah bibit = 10
maka rata-rata 251/10 =25
dibawah rata-rata adalah 20,20,23,23,23, ada 5 bibit (D)