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2 July, 07:59

What's is the mad of 8,7,9,3,4,9,2

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Answers (2)
  1. 2 July, 08:06
    0
    2.5

    Step-by-step explanation:

    Mean: 8 + 7 + 9 + 3 + 4 + 9 + 2 = 42/7 = 6

    8 - 6 = 2

    6 - 7 = 1

    9 - 6 = 3

    6 - 3 = 3

    4 - 6 = 2

    9 - 6 = 3

    2 - 6 = 4

    2 + 1 + 3 + 3 + 2 + 3 + 4 = 18/7 = 2.5
  2. 2 July, 09:49
    0
    Answer: 2.5714

    Sort

    Before: 8,7,9,3,4,9,2

    After: 2, 3, 4, 7, 8, 9, 9

    Add

    2+3+4+7+8+9+9=42

    Divide

    42:7=6

    Subtract "data value - mean"

    2-6=-3

    3-6=-3

    4-6=-2

    7-6=1

    8-6=2

    9-6=3

    9-6=3

    Add

    -3+-3+2+1+2+3+3=5

    Divide then get: 2.5714
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