Page 29 - FLIPBOOK_MODUL STATISTIKA_LENNY ANGGRAINI LUBIS_4191111_PSPM H 2019

• Q2

2 2 40
Q2 = × = × 20 = = 10 (letak data pada urutan ke-10)
4 4 4
Q2 = 15

• Q3

3 3 60
Q3 = × = × 20 = = 15 (letak data pada urutan ke-15)
4 4 4
Q3 = 30

b) Jangkauan
• Xmax = 87

• Xmin = 9

• Jangkauan (R) = Xmax – Xmin
= 87 – 9

= 78

2. Data :

13, 31, 46, 17, 52, 63
66, 11, 17, 46, 58, 84

39, 13, 46, 52, 72, 13
70, 39, 46, 55, 83, 11

• Urutkan data terlebih dahulu

11, 11, 13, 13, 13, 17
17, 31, 39, 39, 46, 46

46, 46, 52, 52, 55, 58
63, 66, 70, 72, 83, 84

Banyaknya data (n) = 24

a) Jangkauan
Xmax = 84

Xmin = 11
Jangkauan (R) = Xmax – Xmin

= 84 -11
= 73

E-Modul Statistika kelas VIII SMP Semester 2 23