Question

Nilai banyak siswa
0 4
1 3
2 6
3 5
4 9
5 13

Tentukan rata-rata hitung dari data pada tabel di atas........​

Answer 1

Verified answer

jwb

rata" = nilai : data

= 0 x 4 + 1 x 3 + 2 x 6 + 3 x 5 + 4 x 9 + 5 x 13 (nilai)

= 0 + 3 + 12 + 15 + 36 + 65

= 131

= 4 + 3 + 6 + 5 + 9 + 13 (data)

= 40

= 131 : 40 (rata")

= 3.275

rata" hitung dri data pd tabel = 3.275