Matematika

Pertanyaan

tolong kerjakan
besok dikumpul
tolong kerjakan besok dikumpul

1 Jawaban

  • Diketahui:
    No. 1
    5 - 5 - 6 - 7 - 7 - 7 - 7 - 8 - 8 - 8 - 8 - 8 - 9 - 9 - 10
    5 = 2 
    6 = 1
    7 = 4
    8 = 5
    9 = 2
    10 = 1
    Total = 15

    No. 2
    110 - 110 - 115 - 115 - 115 - 120 - 120 - 124 - 125 - 130 
    110 = 2
    115 = 3
    120 = 2
    124 = 1
    125 = 1
    130 = 1
    Total = 10

    Ditanyakan:
    No. 1
    Mean - Median - Modus
    No. 2
    a. Nilai tertinggi dan terendah
    b. Mean - Median - Modus

    Jawab:
    No. 1
    Mean = [tex] \frac{98}{3} [/tex] 
              = 6,53
    Median = 8
    Modus = 8

    No. 2
    a. Nilai tertinggi = 130
        Nilai terendah = 110
    b. Mean = [tex] \frac{1.184}{10} [/tex]
                  = 118,4
        Median = [tex] \frac{115+120}{2} [/tex]
                     = 117,5
        Modus = 115
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