## anonymous one year ago I need help with "mean absolute deviation" Will give medal.

1. anonymous

idk how to do it can you draw me a formula or something

2. Ibbutibbu.

The mean absolute deviation of a set of data is the average distance between each data value and the mean. 2. Find the distance between each data value and the mean. That is, find the absolute value of the difference between each data value and the mean.

3. anonymous

Ok thankyou soooooooooo much I was doing a math assessment and then it said to find the mean absolute deviation and i didnt know what to do(didnt explain in my lesson)

4. anonymous

hi iGreen

5. iGreen

^^^ Find the mean, and subtract all the values from the mean, then find the mean of that. For example. 2, 3, 3, 4, 6, 8, 9, 9 Find the mean. $$\sf \dfrac{2 + 3 + 3 + 4 + 6 + 8 + 9 + 9}{8} \rightarrow 5.5$$ Now subtract all the values from it. $$\sf 5.5 - 2 = 3.5$$ $$\sf 5.5 - 3 = 2.5$$ $$\sf 5.5 - 3 = 2.5$$ $$\sf 5.5 - 4 = 1.5$$ $$\sf 6 - 5.5 = 0.5$$ $$\sf 8 - 5.5 = 2.5$$ $$\sf 9 - 5.5 = 3.5$$ $$\sf 9 - 5.5 = 3.5$$ Find the mean of these values. $$\sf \dfrac{3.5 + 2.5 + 2.5 + 1.5 + 0.5 + 2.5 + 3.5 + 3.5}{8} \rightarrow \color{#45D229}{\boxed{2.50}}$$

6. iGreen

@KakeFace

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