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statistika-sma-1

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Latihan Soal 1

Diketahui data-data

sbb. :

, untuk n genap

Hitunglah Statistik Lima Serang-

kainya, yaitu: (1).

Nilai Minimum,

(2) Nilai Maksimum, (3) Median,

(4) Kuartil Pertama ; dan (5)

Kuartil Ketiga.

Median Data Tunggal

Jika data yang terurut itu adalah

x 1

, x 2

, x 3

, x 4

, x 5

, …….x n

, maka

Median (Me) :

Data 1

23; 43; 45; 56; 56; 67; 34; 45;

35; 54; 35; 65; 57; 36; 56

(a). Me =

x

untuk n ganjil

n

+

2

1

Data 2

109; 98; 99; 108; 107; 97; 95;

100; 106; 94; 101; 102; 104; 98

(b). Me =

x

n

2

+ x

n

2

2

+

1

Data 3

4,5; 5,4; 6,7; 5,8; 8,4; 7,6; 7,4;

4,9; 5,7; 6,6

untuk n genap

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