Kunci Jawaban Matematika Kelas 8 Semester 2 Halaman 253, Ayo Kita Berlatih 9.3: Part 1

Mean = x1 + x2 + x3 + .... / n

= 4 + 5 + 5 + 6 + 7 + 7 + 8 + 8 + 8 + 9 + 9 + 10 + 10 + 12 / 14

= 108 / 14

= 7,71

Urutan data tengah = 14 / 2 = 7

Median = 8 + 8 / 2

= 16 / 2

= 8

Modus = 8

Banyak frekuensi 8 ada 3 buah

Baca juga: Kunci Jawaban Matematika Kelas 8 Semester 2 Halaman 231 232 233, Ayo Kita Berlatih 9.1

- Data Y

Data Y: 4, 5, 5, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 16

n = 14

Mean = x1 + x2 + x3 + .... / n

= 4 + 5 + 5 + 6 + 7 + 7 + 8 + 8 + 8 + 9 + 9 + 10 + 10 + 16 / 14