Question

Hitunglah Rata-rata Data Pada Table Di Bawah ini! ​

Answer 1

Verified answer

Materi : Data dan Statistika

Ambil Nilai tengah dari tiap kelas

• K( 1 - 5 ) => 3(4) = 12
• K( 6 - 10 ) => 8(2) = 16
• K( 11 - 15 ) => 13(5) = 65
• K( 16 - 20 ) => 18(5) = 90
• K( 21 - 25 ) => 23(3) = 69
• K( 26 - 30 ) => 28(1) = 28

____________________________/

Banyak Data = 20 data

Jumlah Data = 280

Mean / Rata - Rata = 280/20 = 14

Semoga bisa membantu

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