Simpangan kuartil dari 11, 12, 11, 13, 13, 12, 11, 14, 15, 12, 14
Simpangan kuartil dari 11, 12, 11, 13, 13, 12, 11, 14, 15, 12, 14!
Jawab:
Data terurut: 11, 11, 11, 12, 12, 12, 13, 13, 14, 14, 15
Qd = …. ?
Q1 = data ke-3 = 11
Q3 = data ke-9 = 14
Qd = ½ (Q3 – Q1) = ½ (14 – 11) = 1,5
Jadi simpangan kuartilnya adalah 1,5.
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