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dingdong
Lv 6
dingdong asked in Science & MathematicsMathematics · 2 years ago

I have another question about math I need to know the absolute deviation to this question.?

Five students scored 80 on a test, five students scored 85, and five students scored 90. What would the absolute deviation equal to?

1 Answer

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  • alex
    Lv 7
    2 years ago

    mean = 85

    Sum of (X- mean)^2 = 10(5)^2=250

    Standard Deviation = √(250/14)=4.23

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