Matematika

Pertanyaan

simpangan rata-rata dari 2,5,6,7,2,4

1 Jawaban

  • R=1/n(x1+x2+...+xn)
    R=1/6(2+5+6+7+2+4)
    R=26/6
    R=4⅓

    SR=1/n(|x1-R|+|x2-R|+…+|n-R|)
    SR=1/6(|2-4⅓|+|5-4⅓|+|6-4⅓|+|7-4⅓|+|2-4⅓|+|4-4⅓|)
    SR=1/6(2⅓+⅔+1⅔+2⅔+2⅓+⅓)
    SR=1/6(10)
    SR=10/6
    SR=1⅔
    SR=1,67

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