Jawaban:
= total nilai/jumlah data
= (4x3)+(5x2)+(6x9)+(7x10)+(8x4)+(9x3)+(10x1)
= 12 + 10 + 54 + 70 + 32 + 27 + 10
= 215
Mean = 215/32 = 6.71
Banyak siswa yang memperoleh nilai Di atas rata-rata
= 18 orang (B)
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Jawaban:
= total nilai/jumlah data
= (4x3)+(5x2)+(6x9)+(7x10)+(8x4)+(9x3)+(10x1)
= 12 + 10 + 54 + 70 + 32 + 27 + 10
= 215
Mean = 215/32 = 6.71
Banyak siswa yang memperoleh nilai Di atas rata-rata
= 18 orang (B)