Grade 6 · Math
Describe spread with mean absolute deviation
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The data are 4, 6, 6, 10, 14, 14. Their mean is 9. What is the mean absolute deviation? Give an exact simplified value.
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The distances from the mean are 5, 3, 3, 1, 5, 5. Their sum is 22; divide by 6 to get 11/3.
A little hint: Find each distance from the mean, then find the mean of those nonnegative distances.
Find the mean by dividing the total of the data values by their count.
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