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Tentukan median, kuartil 1, dan kuartil 3 dari data tunggal berikut. 20, 10, 15, 35, 90, 75, 55, 43, 35, 78, 43, 23, 11, 85, 90

Tentukan median, kuartil 1, dan kuartil 3 dari data tunggal berikut.

20, 10, 15, 35, 90, 75, 55, 43, 35, 78, 43, 23, 11, 85, 90

Jawab:

Data terurut:10, 11, 15,20, 23, 35, 35,43,43, 55, 75,78, 85, 90, 90

Banyak data: 15

    Median = data ke-8 = 43

    Quartil-1 = data ke-4 = 20

    Quartil-3 = data ke-12 = 78