Matematika

Pertanyaan

hitunglah mean dan median !
hitunglah mean dan median !

2 Jawaban

  • n=6+10+4+6+4
    n=30

    Median
    =n/2
    =30/2
    =suku ke 15

    dan

    =n/2+1
    =30/2+1
    =suku ke 16

    jadi mediannya
    =36+36/2
    =36

    Mean
    =(35×6)+(36×10)+(37×4)+(38×6)+(39×4)/30
    =210+360+148+228+156/30
    =1102/30
    = 36,7333333
  • Mean = {6(35) + 10(36) + 4(37) + 6(38) + 4(39)}/(6+10+4+6+4) = 982/30 = 36,73

    Median = 36