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Verified answer
Jumlah data4 x 1 = 4
5 x 4 = 20
6 x 5 = 30
7 x 8 = 56
8 x 4 = 32
9 x 2 = 18
10 x 1 = 10
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Jumlah = 170
Banyak data = 1 + 4 + 5 + 8 + 4 + 2 + 1
= 25
Rata² = Jumlah data / banyak data
= 170 / 25
= 6,8
Jawaban D
=49
Jumlah ada 7 kotak
Jadi 49/7= 7
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