Matematika

Pertanyaan

Tentukan Q1,Q2,Q3 , jangkauan, jangkauan antar kuartil
a.5,7,6,7,6,8,6,7
b.9,7,8,7,6,5
c.6,8,7,6,5,6,7,8

1 Jawaban

  • a. 5, 6, 6, 6, 7, 7, 7, 8
    Q2/Kuartil Tengah/Median = 6 + 7 / 2 = 6,5
    Q1/Kuartil Bawah = 6 + 6 / 2 = 6
    Q3/Kuartil Atas = 7 + 7 / 2 = 7

    Jangkauan Kuartil = Q3 - Q1
    = 7 - 6
    = 1

    Jangkauan Data = Data terbesar - Data terkecil
    = 8 - 5
    = 3

    b. 5, 6, 7, 7, 8, 9
    Q2/Kuartil Tengah/Median = 7 + 7 / 2 = 7
    Q1/Kuartil Bawah = 6
    Q3/Kuartil Atas = 8

    Jangkauan Kuartil = Q3 - Q1
    = 8 - 6
    = 2

    Jangkauan Data = Data terbesar - Data terkecil
    = 9 - 5
    = 4

    c. 5, 6, 6, 6, 7, 7, 8, 8
    Q2/Kuartil Tengah/Median = 6 + 7 / 2 = 6,5
    Q1/Kuartil Bawah = 6 + 6 / 2 = 6
    Q3/Kuartil Atas = 7 + 8 / 2 = 7,5

    Jangkauan Kuartil = Q3 - Q1
    = 7,5 - 6
    = 1,5

    Jangkauan Data = Data terbesar - Data terkecil
    = 8 - 5
    = 3

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