Diketahui sekelompok data tunggal sebagai berikut 3, 4, 7, 8, 7, 4, 8, 4, 9, 10, 8, 3, 7, 4
Tentukan ;
A. Kuartil atas
B.kuartil bawah![]()
Tentukan ;
A. Kuartil atas
B.kuartil bawah
Data: 3, 4, 7, 8, 7, 4, 8, 4, 9, 10, 8, 3, 7, 4
Urutan data: 3, 3, 4, 4, 4, 4, 7, 7, 7, 8, 8, 9, 10
Banyak data (n) : 13
- Kuartil atas
[tex]\tt Q_3 = X_{\frac{3 (13 + 1)}{4}}[/tex]
[tex]\tt Q_3 = X_{\frac{3 \times 14}{4}}[/tex]
[tex]\tt Q_3 = X_{ \frac{42}{4}}[/tex]
[tex]\tt Q_3 = X_{10,5}[/tex]
[tex]\tt Q_3 = X_{10} + 0,5 \times (X_{11} - X_{10})[/tex]
[tex]\tt Q_3 =8+ 0,25 \times (8 - 8)[/tex]
[tex]\tt Q_3 =8 + 0,25 \times 0[/tex]
[tex]\tt Q_3 =8[/tex]
- Kuartil bawah
[tex]\tt Q_1 = X_{\frac{1 (13 + 1)}{4}}[/tex]
[tex]\tt Q_1 = X_{\frac{ 14}{4}}[/tex]
[tex]\tt Q_1 = X_{3,5}[/tex]
[tex]\tt Q_1 = X_{3} + 0,5 \times (X_4 -X_3) [/tex]
[tex]\tt Q_1 = 4 + 0,5\times (4 - 4)[/tex]
[tex]\tt Q_1 = 4 + 0,5\times 0[/tex]
[tex]\tt Q_1 = 4 [/tex]
[answer.2.content]