Matematika

Pertanyaan

tentukan modus,median,dan rata-rata dari data berikut: 1}12,14,18,12,16,15,20,14,17,14,11. 2}24,22,26,23,22,20. 3}6,8,4,5,6,8,7,6,9,8,12. 4}300,200,240,220,230,200,280,220,260,220. 5}128,126,130,132,126,190,180,160,124,126.







1 Jawaban

  • disusun dulu dari yg paling kecil
    1 . 11,12,12,14,14,14,15,16,17,18,20
    modus :14
    median : 14
    rata rata :163 : 11 = 144,8
    2. 20,22,22,23,24,26
    modus : 22
    median :22+23=45:2 = 22,5
    rata rata : 137 : 6 = 22,8
    3. 4,5,6,6,6,7,8,8,8,9,12
    modus : 6 dan 8
    median : 7
    rata rata : 79:12 = 68
    4. 200,200,220,220,220,230,240,260,280,300
    modus : 220
    median:220+230=450:2 =225
    rata rata : 2370:10 =237

    capee;(( no 5 nya cobain yaa , biar makin ngerti

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